Giant Jaffa Cake

The Ultimate Jaffa Cake Cake: A Decadent Chocolate Orange Celebration

The iconic Jaffa Cake has long sparked a spirited debate: Is it a cake or a biscuit? This seemingly trivial question famously led to a high-profile court case in 1991, with significant tax implications (spoiler alert: the court ruled it’s a cake!). While the original Jaffa Cake holds a special place in our hearts, this particular creation is unequivocally a cake – and a truly magnificent one at that!

Imagine sinking your teeth into three perfectly light tiers of orange-infused sponge, each layer generously spread with a vibrant, tangy marmalade buttercream. All of this glorious citrus and sweet harmony is then enrobed in a luscious, rich dark chocolate ganache, creating a stunning visual and culinary masterpiece. This Jaffa Cake Cake is more than just a dessert; it’s an experience, a perfect tribute to the classic chocolate orange combination, destined to become the star of any gathering.

A slice of Jaffa Cake Cake removed from a whole cake on a black plate, showcasing the layers of orange sponge, marmalade buttercream, and chocolate ganache.

Why This Jaffa Cake Cake Will Be Your New Favourite

This isn’t just another cake recipe; it’s an invitation to recreate a beloved childhood classic in a grand, celebratory form. Here’s why this Jaffa Cake Cake is sure to captivate your taste buds and impress your guests:

  • It beautifully **replicates that cherished childhood favourite**, the humble Jaffa Cake, but elevates it into an impressive, multi-layered cake. Each bite delivers a nostalgic blend of orange and chocolate, reminiscent of the original, yet far more luxurious.
  • The cake boasts a truly stunning appearance, making it the **perfect centrepiece for any celebration**. Whether it’s a birthday, an anniversary, or simply a weekend gathering, its elegant layers and glossy chocolate finish will undoubtedly draw admiring glances and eager anticipation.
  • The flavours in this bake are **expertly balanced**, ensuring a harmonious taste experience. The bright, zesty notes of fresh orange cut through the creamy richness of the buttercream and sponge, while pairing exquisitely with the intense, bittersweet dark chocolate ganache. It’s a symphony of textures and tastes that dance on the palate, satisfying every craving for that irresistible chocolate orange combination.
  • It’s a relatively **straightforward recipe for an impressive outcome**. While it looks elaborate, the steps are clear and manageable, making it achievable for home bakers of various skill levels.
  • This cake offers a wonderful opportunity to **showcase your baking skills** and treat loved ones to something truly special and homemade, infused with love and delicious ingredients.

Essential Ingredients for Your Jaffa Cake Masterpiece

A flat lay of ingredients for Jaffa Cake Cake, including butter, eggs, flour, sugar, oranges, marmalade, chocolate, and cream.

Crafting this delightful Jaffa Cake Cake requires a selection of quality ingredients. Paying attention to these details will ensure your cake is nothing short of spectacular:

  • Butter: For the sponge and buttercream, ensure your butter is genuinely softened to room temperature. This is crucial for achieving a light, airy crumb in the cake and a smooth, lump-free buttercream when creamed with sugar. Unsalted butter is generally preferred for baking, allowing you to control the salt content.
  • Caster Sugar: This fine-grained sugar dissolves quickly, contributing to the delicate texture of the sponge. While caster sugar is ideal, granulated sugar can be used as a substitute if it’s what you have on hand; just ensure you cream it thoroughly to avoid a gritty texture.
  • Orange Zest: The secret to an intense, natural orange flavour lies in the zest. Zest contains the aromatic oils of the orange, providing a much more potent and authentic citrus punch than orange juice alone. Always use unwaxed oranges and finely grate only the colourful outer layer, avoiding the bitter white pith.
  • Eggs: Large, free-range eggs, ideally stamped with the British Lion mark if you’re in the UK, contribute to the cake’s structure, richness, and golden hue. Ensure they are at room temperature for better emulsification with the butter and sugar.
  • Self-Raising Flour: This type of flour already contains a leavening agent (baking powder), ensuring a wonderfully light and airy texture for your sponge. If you don’t have self-raising flour, you can easily make your own by combining plain (all-purpose) flour with baking powder (see substitutions below).
  • Baking Powder: Essential for giving the cake an extra lift and tenderness. It’s important not to confuse it with bicarbonate of soda (baking soda), as they react differently and require different acidic components to activate.
  • Icing Sugar (Powdered Sugar): This ultra-fine sugar is vital for the buttercream, providing not only sweetness but also contributing to its smooth, stable, and velvety consistency.
  • Marmalade: A key flavour component for the tangy buttercream. Its citrusy bitterness perfectly balances the sweetness of the icing sugar. Choose a good quality marmalade that isn’t overly bitter; a medium-shred orange marmalade works wonderfully.
  • Dark Chocolate: For that luxuriously rich ganache, opt for a high-quality dark chocolate with at least 70% cocoa solids. Better quality chocolate will yield a smoother, glossier, and more flavourful ganache.
  • Double Cream (Heavy Cream): This high-fat cream is crucial for making a sumptuously rich and creamy ganache that sets beautifully.
  • Curls of Orange Peel: An optional but highly recommended decorative touch. These elegant ribbons of orange zest add a professional finish and hint at the delicious citrus flavours within. See the decoration ideas for more inspiration.

For precise measurements and a detailed recipe, please refer to the full recipe card below.

Thoughtful Substitutions and Creative Variations

While this recipe is crafted to perfection, sometimes you might want to adapt it to your preferences or what you have available. Here are some ideas for substitutions and variations:

  • Orange Jelly: A traditional Jaffa Cake famously features an orange jelly layer. You might notice its absence in this cake, and there’s a good reason for it! While I adore the jelly, my aim was to make this recipe as accessible as possible. Incorporating a gelatin-based jelly layer would add extra steps, ingredients, and setting times, potentially overcomplicating the baking process. The creamy, zesty orange marmalade buttercream is the ideal, simpler solution, providing all the tangy orange flavour without the fuss. Trust me, if you’re a Jaffa Cake aficionado, this chocolate orange cake will not disappoint with its delightful balance of flavours.
  • Self-Raising Flour: If your pantry only holds plain (all-purpose) flour, fret not! You can easily create your own self-raising flour. Simply mix 200g of plain flour with 1-2 teaspoons of baking powder and a pinch of salt. Ensure it’s thoroughly combined before adding it to your batter.
  • Marmalade Alternatives: This recipe is, of course, a homage to the Jaffa Cake, making marmalade the most logical choice for its distinctive tangy orange flavour. However, if you’re keen to experiment while still enjoying a delicious sponge cake with chocolate ganache, you have options. Raspberry jam or apricot jam would make fantastic alternatives, offering different fruity notes that would complement the chocolate beautifully. Consider using a good quality preserve for the best results.
  • Citrus Variations: Feel free to experiment with other citrus zests for a different flavour profile. Lemon zest could offer a brighter, more tart note, while lime zest would introduce an exotic twist.
  • Nut-Free Option: This recipe is naturally nut-free, making it a safe choice for those with nut allergies, provided all your ingredients are certified nut-free.
  • Different Chocolate Types: While dark chocolate is recommended for the ganache to balance the sweetness, you could experiment with milk chocolate for a milder, sweeter ganache, or even a blend of milk and dark for a balanced profile. Adjust sugar content accordingly.

Crafting Your Irresistible Jaffa Cake Cake: A Step-by-Step Guide

Creating this stunning Jaffa Cake Cake is a rewarding experience. While the full, detailed instructions are provided in the recipe card below, these visual steps will guide you through the process, ensuring a smooth and enjoyable baking journey.

Mixing butter, sugar, and orange zest with an electric whisk in a bowl.

ONE: Prepare the Sponge Base. Begin by preheating your oven to the specified temperature and preparing your cake tins. In a large mixing bowl, use an electric whisk to beat together the softened butter, caster sugar, and vibrant orange zest until the mixture becomes light, pale, and wonderfully fluffy. This step incorporates air, which is key to a tender sponge.

Smooth cake batter being mixed in a bowl with an electric whisk, showing consistency after eggs, flour, and baking powder are added.

TWO: Complete the Batter. Gradually whisk in the eggs, one at a time, ensuring each is fully incorporated before adding the next. Then, gently fold in the self-raising flour and baking powder until you have a smooth, homogenous batter. Be careful not to overmix, as this can lead to a tough cake.

Three 15cm / 6-inch loose-bottomed cake tins, greased and lined with non-stick baking paper.

THREE: Prepare the Cake Tins. Grease and line the base and sides of three 15cm / 6-inch loose-bottomed cake tins with non-stick baking paper. This ensures your beautiful cake layers will release easily after baking.

Three cake sponges in their tins, ready to be baked in the oven, with golden tops.

FOUR: Bake the Sponge Layers. Divide the smooth batter evenly amongst the three prepared tins. Carefully place them into the preheated oven and bake for approximately 20 minutes, or until each sponge is well risen, golden brown, and a skewer inserted into the centre comes out clean. Allow them to cool in the tins for a short while before transferring to a wire rack to cool completely.

Various components for assembling the Jaffa Cake Cake: cooled sponge layers, marmalade buttercream, and chocolate ganache.

FIVE: Prepare the Fillings. While your cake layers cool, turn your attention to the delightful fillings. First, whip up the marmalade buttercream by beating softened butter until smooth, then gradually incorporating the icing sugar, followed by a generous dollop of marmalade. For the chocolate ganache, place your roughly chopped dark chocolate in a heatproof bowl. Gently heat the double cream with icing sugar in a saucepan until it just reaches a simmer. Pour the hot cream over the chocolate, let it sit for a minute, then stir until smooth and glossy. Allow it to cool and thicken slightly to a pourable, spreadable consistency.

The assembled Jaffa Cake Cake covered with smooth dark chocolate ganache, ready for decoration.

SIX: Assemble and Decorate. On a flat serving plate, place your first cooled cake layer. Spread an even layer of the tangy marmalade buttercream across the top. Carefully place the second cake layer on top, followed by another layer of buttercream. Crown it with the final cake layer. Now, pour the beautifully prepared chocolate ganache over the top of the cake, using a palette knife or offset spatula to gently spread it down the sides, ensuring a smooth and even coating. Finish your masterpiece by decorating with elegant curls of orange zest, or explore other creative decoration ideas mentioned below.

Expert Cooking Tips for Baking Success

Even seasoned bakers can encounter little hiccups, especially when working with temperamental ingredients like chocolate. Here are some essential tips to ensure your Jaffa Cake Cake turns out perfectly every time:

  • Achieving the Perfect Sponge Texture:
    • Room Temperature Ingredients: Always ensure your butter and eggs are at room temperature. This allows them to emulsify properly, creating a smooth batter that traps air efficiently, resulting in a lighter, more tender sponge.
    • Don’t Overmix: Once you add the flour, mix just until combined. Overmixing develops the gluten in the flour, which can lead to a dense, tough cake.
    • Even Baking: Divide the batter as evenly as possible between your cake tins to ensure uniform baking. A kitchen scale can be helpful for this.
    • Oven Temperature: Ovens can vary. If your cake bakes too quickly or too slowly, consider investing in an oven thermometer to verify its accuracy.
  • Troubleshooting a Split Chocolate Ganache: Chocolate ganache can be a bit finicky if not handled correctly. It might split (look grainy or oily) if it gets too hot or if the ingredients aren’t emulsified properly.
    • Prevention is Key: To prevent splitting, bring your cream to *just* a simmer – avoid a rolling boil. Stir constantly as you pour it over the chocolate to ensure the chocolate melts evenly. It’s generally best to avoid the microwave for heating cream for ganache, as it can cause uneven heating and hot spots.
    • How to Fix a Split Ganache: Don’t panic if your ganache splits! It’s often salvageable.
      • Whisk or Blend: Try whisking it vigorously with a hand whisk, or blending it with a handheld immersion blender on high speed to re-emulsify the fats.
      • Add More Cream: If whisking alone doesn’t work, gradually whisk in 1-2 tablespoons of slightly warm (steaming, not boiling) cream. Add it slowly, a tiny bit at a time, and continue whisking until the ganache becomes smooth and glossy again.
      • Cool Down: Sometimes, cooling the ganache slightly and then re-whisking can help bring it back together.
  • Inspired Decoration Ideas: While simple curls of orange zest offer an elegant touch, feel free to get creative with your Jaffa Cake Cake decoration:
    • Candied Orange Peel: For a more refined look and an extra burst of flavour, use homemade or store-bought candied orange peel.
    • Chocolate Orange Segments: Arrange segments of your favourite chocolate orange brand (we all know the one!) artfully on top.
    • Chocolate Orange Truffles: Scatter homemade or store-bought chocolate orange truffles for an extra decadent flourish.
    • Chocolate-Dipped Satsuma Segments: Dip fresh satsuma or mandarin segments in melted dark chocolate and allow them to set before placing them on the cake. The contrasting colours and textures are beautiful.
    • Edible Gold Dust: A dusting of edible gold adds a touch of luxury, especially for special occasions.
Assembled Jaffa Cake Cake, showing the layers before the final ganache coating, ready for decorating with orange zest.

Frequently Asked Questions: All About Jaffa Cakes

Let’s delve deeper into the fascinating world of Jaffa Cakes, and answer some common questions:

What exactly is a Jaffa Cake?

A Jaffa Cake is a small, round, and much-loved confectionery item first created by the Scottish biscuit maker ‘McVitie and Price’ (now simply known as ‘McVitie’s’) in 1927. Named after the Jaffa oranges commonly used to flavour them, these delightful treats typically consist of three distinct layers: a soft, light Genoise sponge base, topped with a tangy disc of orange-flavoured jelly, all enveloped in a thin, crisp coating of dark chocolate. Their unique combination of textures and flavours has made them a household staple across the UK and beyond.

Is a Jaffa Cake truly a cake or a biscuit? The Great Debate!

This is arguably the most famous question surrounding Jaffa Cakes, and one that even made it to court! Despite frequently being found in the biscuit aisle of supermarkets and biscuit tins in homes throughout the country, Jaffa Cakes are officially classified as a cake. The clue, as it turns out, really is in the name!

Why does this classification matter? In the UK, Value Added Tax (VAT) is payable on chocolate-coated biscuits, but not on chocolate-coated cakes. This crucial distinction led to the infamous 1991 court case where McVitie’s staunchly defended their classification of Jaffa Cakes as cakes. By proving they were cakes, McVitie’s aimed to avoid paying VAT, a significant financial consideration. The opposing argument claimed that their small size, round shape, and common consumption as a biscuit meant they should be taxed as such.

However, after much deliberation, the court ultimately found in favour of McVitie’s. The ruling stated that while Jaffa Cakes possessed characteristics of both cakes and biscuits, their dominant features aligned more closely with cakes. Key factors in the decision included:

  • Texture: A Jaffa Cake goes stale, like a cake, whereas a biscuit goes soft.
  • Ingredients: The base is made from a sponge cake batter.
  • Eating Experience: Jaffa Cakes are typically eaten in one or two bites, similar to a small cake, rather than being snapped like a biscuit.

Consequently, VAT is not levied on Jaffa Cakes in the UK, making them a more affordable treat for consumers. Do you agree with the court’s verdict? Let us know whether you think Jaffa Cakes are a cake or a biscuit in the comments below – the debate continues!

A Jaffa Cake Cake with one slice removed, showcasing the perfect layering of orange sponge, marmalade buttercream, and chocolate ganache, on a black plate.

Frequently Asked Questions: Baking Tips & Techniques

Navigating the nuances of baking can sometimes bring up questions, especially when adapting recipes. Here are some common baking queries addressed:

Do I have to use 15cm / 6-inch tins?

This particular recipe has been meticulously tested and developed using three 15cm / 6-inch round cake tins to achieve its signature three-tiered height and elegant proportions. However, I completely understand that this might be a less common tin size for many home bakers. If you don’t have 15cm tins, you can absolutely adapt the recipe.

A viable alternative is to divide the batter between two greased and lined 20cm / 8-inch round tins. When using larger tins, the layers will be shallower, and the baking time will need to be adjusted accordingly. For 20cm tins, you can expect to bake them for approximately 25-30 minutes in a 160°C Fan oven. Always perform the skewer test to ensure they are fully cooked through before removing them from the oven. Keep in mind that while the flavour will be identical, the visual presentation will be a bit different with two larger, shallower layers.

What exactly is chocolate ganache?

Chocolate ganache is a culinary staple, a versatile and luxurious mixture primarily composed of two ingredients: chocolate and cream. Its name is derived from the French word for “clumsy” or “gauche,” supposedly originating from an accidental spill of cream into chocolate by an apprentice. Fortunately, this delicious “mistake” has become a beloved component in countless desserts.

When hot cream is poured over finely chopped chocolate, the heat melts the chocolate, and stirring vigorously emulsifies the mixture, creating a wonderfully smooth, shiny, and rich consistency. Ganache can vary in thickness depending on the ratio of chocolate to cream, allowing it to be used for various purposes – from a pourable glaze or frosting (as in this recipe) to a rich truffle filling, a firm cake coating, or even a whipped topping.

While often a simple two-ingredient blend, additions like a small amount of butter can enhance its glossiness and richness, while sugar (such as icing sugar, caster sugar, or even glucose/golden syrup) can adjust its sweetness and texture. In this specific recipe, icing sugar is added to the cream not only for sweetness but also to contribute to the ganache’s overall stability and luxurious mouthfeel. Using golden syrup can result in an even glossier finish, adding another layer of visual appeal to your cake.

Jaffa Cake Cake covered with dark chocolate ganache, seen from above, on a white cake stand.

More Delicious Recipes You Might Love

If you’ve enjoyed baking and tasting this Jaffa Cake Cake, and have a passion for delightful desserts, here are some other recipes from my collection that you might find equally enjoyable:

  • For those who adore orange in a cake but are seeking a wonderfully straightforward option, my Tunisian Orange Cake is truly the simplest cake you’ll ever encounter. It’s so easy, you don’t even need to preheat the oven initially, as the oranges are boiled first!
  • If you’re looking for another showstopping celebration cake, I highly recommend my White Chocolate and Raspberry Cake. It features gorgeous piping (entirely optional, but adds a lovely touch!) and a fantastic flavour combination that’s always a crowd-pleaser.
  • Sometimes, a classic is all you need. My Simple Chocolate Cake recipe creates a cake that stands incredibly thick and tall, yet it’s surprisingly easy to achieve, delivering moist, rich chocolatey goodness every time.
  • For something a little more bite-sized, perfect for sharing or individual portions, why not try my recipe for the Best Double Chocolate Chip Muffins? They are rich, fluffy, and packed with chocolatey bursts.
  • Or, for an intense chocolate fix, inspired by Nigella Lawson, these Triple Chocolate Brownies are absolutely phenomenal. They are incredibly chocolatey, fudgy, and utterly irresistible.

More Dessert & Snack Inspirations

Sandwiches

The Best Coronation Chicken Sandwiches

Christmas Recipes

The Best Chocolate Salami

Easy Dessert Recipes

Chocolate Budino (Creamy Italian Pudding)

Drinks and Cocktails

Homemade Hot Chocolate Bombs

A Jaffa Cake Cake with a partially eaten slice removed on a black plate, showing the rich interior and chocolate ganache.

Made This Recipe and Loved It?

Your feedback means the world to me! I would absolutely love it if you could share your experience and leave a review in the comments section below. I genuinely enjoy hearing what you thought, any creative changes you made, or the wonderful stories behind why you decided to try my recipes. Plus, if you share a photo of your magnificent creation on Instagram, please remember to tag me @desertislanddishes – it truly makes my day to see your delicious results!

A whole Jaffa Cake Cake on a white cake stand, showcasing its dark chocolate ganache and orange zest curls.





5 from 1 vote

Jaffa Cake Cake

By: Margie

A Jaffa Cake, the UK’s loved biscuit (or cake?!), transformed into a full chocolate and orange celebration cake. It’s incredibly delicious and surprisingly simple to make, as far as impressive cakes go.

Prep:
30 mins
Cook:
30 mins
Total:
1 hr
Servings:
10 servings
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Ingredients

For the sponge:

  • 200 g butter, softened
  • 200 g caster sugar
  • Zest of 1 orange
  • 3 large eggs
  • 200 g self-raising flour
  • 1 tsp baking powder

For the marmalade buttercream:

  • 400 g icing sugar
  • 200 g butter, softened
  • 3 tbsp marmalade

For the dark chocolate ganache:

  • 200 g good-quality dark chocolate, roughly chopped
  • 300 ml double cream
  • 4 tbsp icing sugar

To decorate:

  • Curls of orange zest

Instructions

  • Preheat your oven to 170°C (Fan) or 340°F (180°C standard oven). Grease and line the base and sides of 3 x 15cm / 6-inch loose-bottomed cake tins with non-stick baking paper. Set these aside ready for the batter.

For the sponge:

  • In a large mixing bowl, using an electric whisk, cream together the softened butter, caster sugar, and fresh orange zest until the mixture is light, pale, and fluffy. Continue to whisk as you gradually add the eggs, one at a time, ensuring each is fully incorporated before adding the next. Finally, gently fold in the self-raising flour and baking powder until you have a smooth and well-combined batter. Be careful not to overmix.
  • Divide the cake mix equally among the three prepared tins and gently smooth the tops with a spatula. Bake in the preheated oven for approximately 20 minutes, or until the sponges are beautifully risen, golden brown, and a skewer inserted into the centre comes out clean. Remove the tins from the oven and allow the cakes to cool in their tins for about 15 minutes before carefully turning them out onto wire racks to cool completely.

Meanwhile, prepare the buttercream and ganache:

  • To make the marmalade buttercream, beat the softened butter until it is smooth and creamy. Then, gradually beat in the icing sugar. Adding it slowly will prevent a cloud of sugar from erupting! Once smooth, add the marmalade and continue beating until the buttercream is light, fluffy, and evenly combined. Set this aside.
  • Next, prepare the dark chocolate ganache. Place the roughly chopped good-quality dark chocolate into a large heatproof bowl. In a saucepan, pour the double cream, add the icing sugar, and heat over a medium heat, stirring continuously, until the sugar has completely dissolved and the cream just reaches a gentle simmer. Remove from the heat immediately. Pour the hot cream over the chopped chocolate and let it stand undisturbed for a minute to allow the chocolate to melt. Then, whisk until the ganache is smooth, shiny, and glossy. Allow the ganache to stand at room temperature until it has thickened slightly – it should still be runny enough to pour and spread, but not overly hot or watery.

To assemble the cake:

  • Once all your cake layers are completely cool, place the first sponge on a flat serving plate or cake stand. Spread an even layer of the marmalade buttercream across the top. Carefully place the second cake layer on top and spread with another even layer of buttercream. Finish by topping with the final cake layer. Now, pour the chocolate ganache over the top of the cake, allowing it to naturally cascade down the sides. Use a palette knife or an offset spatula to gently spread and smooth the ganache down the sides, ensuring an even and elegant coating. Decorate your finished Jaffa Cake Cake with delicate curls of orange zest for a beautiful presentation.

Notes

If your chocolate ganache splits during preparation, don’t worry! Scroll up to the “Cooking Tips” section for easy troubleshooting advice. It’s often fixable!

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