The Ultimate Chicken Mayo Sandwich with Bacon, Pesto and Crisps

Prepare to elevate your sandwich game with this truly exceptional **gourmet chicken mayonnaise sandwich**. Far from your average midday meal, this recipe is meticulously crafted to deliver an unforgettable symphony of flavors and textures, transforming a simple concept into a culinary masterpiece. Imagine sinking your teeth into robust, crusty bread, generously layered with aromatic basil pesto, perfectly crisp bacon, a rich and creamy chicken mayonnaise, thin slices of savory prosciutto, and smooth, buttery avocado. To complete this extraordinary creation, we add a sprinkle of umami-rich Parmesan and, for that delightful surprise crunch and a touch of saltiness, a handful of your favorite crisps. This isn’t just a sandwich; it’s an experience designed to tantalize every taste bud and make any lunch feel incredibly special.

Stacked gourmet chicken mayonnaise sandwiches on a rustic wooden board, showcasing layers of delicious fillings.
A stack of irresistible chicken mayonnaise sandwiches, ready to be devoured.

The secret weapon in this sandwich, much like the crispy fries in a premium steak sandwich, is the addition of salted crisps. This seemingly simple inclusion adds an unparalleled dimension of flavor and an addictive crunch that truly takes this chicken mayonnaise sandwich from great to utterly phenomenal. While classic ready-salted crisps are our go-to for their universal appeal and perfect salt balance, feel free to experiment with your preferred flavor. The key is that extra textural contrast and a hint of salt that complements the creamy, savory fillings beautifully. It’s these unexpected elements that make this recipe so uniquely satisfying.

Despite its impressive appearance and complex flavor profile, this gourmet chicken mayonnaise sandwich remains incredibly straightforward to prepare. The process involves just a few simple steps: first, grill some bacon until it reaches peak crispiness. Next, combine tender, shredded leftover roast chicken with a lusciously creamy, subtly sharp Dijon mustard mayonnaise dressing. Then, it’s all about layering. Assemble these delectable components on a robust, crusty loaf of bread, along with fresh, vibrant pesto, creamy avocado slices, elegant curls of prosciutto, and a generous handful of peppery rocket leaves. A final drizzle of tangy balsamic glaze and a generous grating of fresh Parmesan cheese further enhance the depth of flavor. All that’s left is to add your chosen crisps and crown your creation with the top slice of bread. Simple steps, extraordinary results!

Table of Contents

  • Why You Will Love This Recipe
  • Ingredients You’ll Need
  • Substitutions and Variations
  • How to Make This Delicious Chicken Mayonnaise Sandwich
  • Expert Cooking Tips for Success
  • Frequently Asked Questions
  • More Sandwich Recipes You Might Like
  • Made This Recipe and Loved It?
  • Full Recipe Card: Chicken Mayonnaise Sandwich with Bacon, Pesto & Crisps
A cross-section view of the chicken mayonnaise sandwich, showing all the juicy layers and textures.
Every layer of deliciousness visible in this perfectly constructed sandwich.

Why You Will Love This Recipe: The Ultimate Gourmet Sandwich Experience

This isn’t just another chicken sandwich; it’s a culinary journey designed to delight. Here’s why this particular chicken mayonnaise sandwich will quickly become a cherished favorite:

  • Effortlessly Quick & Easy: In today’s fast-paced world, time is a precious commodity. This recipe understands that, promising to be on your table in under 20 minutes from start to finish. It’s the perfect solution for a satisfying lunch during a busy workday or a quick, yet impressive, meal for unexpected guests.
  • Smart Use of Leftovers: Are you often left with succulent roast chicken after a family meal or Sunday dinner? This sandwich is your answer! It transforms delicious leftover roast chicken (or even turkey!) into a completely new and exciting dish, preventing food waste and giving your poultry a second life in a truly delicious way.
  • A Symphony of Flavors and Textures: This sandwich is a masterclass in textural contrast and flavor harmony. Picture the delightful crunch of a **crusty** loaf, complementing the pungent burst of **garlicky** pesto. Savor the satisfying snap of **crispy** bacon, followed by the lush, **creamy** embrace of the chicken mayonnaise. Experience the delicate saltiness of **salty** prosciutto, perfectly balanced by the rich, **buttery** smoothness of ripe avocado. Add to this the savory depth of **umami**-rich Parmesan and the addictive crunch of **crispy** crisps, and you have a sandwich that excites every corner of your palate.
  • Scalable for Any Occasion: Whether you’re making a quick lunch for one or preparing an impressive spread for a gathering, this recipe is wonderfully easy to scale up. It’s a fantastic option for picnics, parties, or any event where you need to feed a crowd without compromising on quality or flavor.

Essential Ingredients for Your Ultimate Chicken Mayonnaise Sandwich

Creating an exceptional sandwich starts with high-quality ingredients. Here’s a closer look at what you’ll need to assemble this flavor-packed masterpiece, along with some insights into why each component is vital:

  • Bacon Rashers: Crispy bacon is non-negotiable for its smoky, savory flavor and irresistible crunch. Streaky bacon often yields the best crispiness, but back bacon works too. Smoked or unsmoked is entirely up to your preference; both add a layer of complexity.
  • Cooked Chicken: The star of the show! This recipe is ideally suited for repurposing leftover roast chicken or turkey, making it a sustainable and economical choice. Rotisserie chicken is another excellent, convenient option, offering tender, pre-cooked meat. If starting from scratch, gently poach or roast chicken breasts or thighs, then shred them for the perfect texture.
  • Mayonnaise: The backbone of our creamy filling. While homemade mayonnaise is a delight, a good quality, shop-bought full-fat mayonnaise works perfectly. Brands like Stokes or Delouis are recommended for their rich, authentic flavor and creamy consistency, which are crucial for binding the chicken and delivering that luxurious mouthfeel.
  • Dijon Mustard: More than just a condiment, Dijon mustard introduces a subtle heat and a wonderful tangy, piquant flavor that cuts through the richness of the mayonnaise, balancing the entire chicken mixture beautifully.
  • Spring Onion: Provides a mild, fresh onion flavor and a delicate crunch, adding a refreshing counterpoint to the creamy chicken.
  • Fresh Chives: A sprinkle of finely chopped chives introduces a gentle, slightly garlicky, and mild onion note, enhancing the freshness of the chicken mayonnaise.
  • Crusty Bread: The foundation of any great sandwich. You need a sturdy, good-quality loaf that can proudly hold a generous filling without becoming soggy. Artisan sourdough, a robust baguette, or a rustic country loaf are excellent choices.
  • Fresh Pesto: Whether you opt for a vibrant homemade basil pesto or a high-quality store-bought variety from the chilled section (which is almost always superior to jarred versions), its garlicky, herbaceous notes are fundamental to this sandwich’s flavor profile.
  • Prosciutto: Thinly sliced prosciutto, artfully arranged in curls, contributes a sophisticated salty, savory depth and a luxurious texture, elevating the sandwich to gourmet status.
  • Avocado: A perfectly ripe avocado is key, offering a creamy, buttery texture that complements the other ingredients and adds a healthy dose of monounsaturated fats.
  • Parmesan Cheese: A generous grating of fresh Parmesan cheese introduces a powerful umami flavor and a salty tang that enhances every bite.
  • Rocket (Arugula): Known for its distinctive peppery bite, rocket adds a fresh, slightly bitter contrast that cuts through the richness of the bacon and mayonnaise, creating a more balanced and exciting flavor.
  • Ready Salted Crisps: The secret ingredient for an unparalleled textural experience. These simple crisps deliver an amazing salty crunch. Walkers are a popular choice, but feel free to choose your personal favorite for that extra layer of deliciousness.

Customizing Your Gourmet Chicken Mayonnaise Sandwich

This recipe is incredibly versatile, allowing for numerous substitutions and variations to suit your taste, dietary needs, or what you have on hand. Don’t be afraid to get creative!

  • Bacon Alternatives: While streaky bacon offers the best crispiness and flavor, you can use back bacon if preferred. For convenience, store-bought crispy bacon bits can be sprinkled on top. If you’re not a fan of bacon, or prefer a vegetarian option, you can omit it entirely. Consider smoked tofu strips for a smoky, chewy texture in a plant-based version.
  • Chicken Options: This sandwich shines with leftover roast chicken or turkey, making it a fantastic post-holiday meal (especially for Christmas or Thanksgiving leftovers). Rotisserie chicken is a superb shortcut. If cooking fresh, pan-searing or roasting chicken breasts or thighs and then shredding them with two forks once cooled works perfectly. For a vegetarian twist, consider shredded jackfruit or a hearty chickpea mash.
  • Cured Meat Swaps: If prosciutto isn’t available, or you fancy a change, consider other delicate cured meats like speck, serrano ham, or even thinly sliced salami for a different flavor profile.
  • Mayonnaise Variations: For an extra rich and creamy sandwich, try Kewpie mayonnaise, known for its distinct umami flavor and velvety texture. If you’re looking for a slightly lighter option, swap out some or all of the mayonnaise for full-fat Greek yogurt or sour cream, which add a pleasant tang.
  • Bread Choices: The key is a robust bread that can handle the generous filling. While a crusty loaf is recommended, sliced ciabatta offers a lovely chew, while focaccia is beautifully soft and aromatic. For a different nutritional profile, wholemeal or seeded bread can also be used, providing added fiber and nutty notes.
  • Salad Greens: Rocket (arugula) adds a peppery kick, but feel free to use your favorite greens. Lamb’s lettuce or pea shoots offer a milder, slightly nutty flavor. Mixed salad leaves or finely shredded iceberg lettuce (as seen in a classic chicken Caesar sandwich) can add even more texture and freshness.
  • Crisp Flavors: Ready-salted crisps are a versatile choice, but don’t hesitate to explore other flavors. Cheese and onion crisps can add an extra cheesy zing, while roast chicken flavored crisps will intensify the poultry notes. For a creamy and smoky twist, Pringles Sour Cream & Onion or Smokey Bacon varieties are also delicious contenders.

Step-by-Step Guide: Crafting Your Gourmet Chicken Mayonnaise Sandwich

Follow these simple instructions to assemble your incredibly satisfying chicken mayonnaise sandwich. The full detailed recipe, with exact measurements, can be found in the recipe card below.

Shredded cooked chicken being mixed with mayonnaise and other ingredients in a bowl.

STEP ONE: Prepare the Chicken Mayo. In a medium-sized mixing bowl, combine the shredded cooked chicken, mayonnaise, Dijon mustard, chopped spring onion, and finely chopped chives. Mix all ingredients thoroughly to ensure the chicken is evenly coated.

Close-up of the chicken mayonnaise mixture being stirred and seasoned.

STEP TWO: Season and Adjust. Season the chicken mayonnaise mixture generously with salt and freshly ground black pepper to taste. Mix again, then taste and adjust the seasoning as required to achieve your desired flavor balance.

Spreading basil pesto generously onto a slice of crusty bread.

STEP THREE: Prepare the Bread. Remove the ends from your crusty loaf (save them for croutons or toast!). Slice the loaf lengthwise into two large, flat pieces. From one of these slices, carefully hollow out some of the soft interior bread (this crucial step allows for more filling!). Generously spread fresh basil pesto over both bread slices, covering them edge to edge.

Arranging prosciutto slices in elegant curls on the pesto-coated bread.

STEP FOUR: Layer the Prosciutto. On the flat, un-hollowed slice of bread (which will be the base), artfully arrange the slices of prosciutto. Instead of laying them flat, curl them gently to create appealing height and texture, which enhances both the visual appeal and the bite of the sandwich.

Adding slices of ripe avocado on top of the chicken mayonnaise mixture.

STEP FIVE: Assemble the Fillings. Spoon the prepared chicken mayonnaise mixture over the prosciutto layer, spreading it gently and evenly. Next, add a couple of rashers of your crispy bacon, followed by the thinly sliced avocado. Generously sprinkle with freshly grated Parmesan shavings, then top with a handful of peppery rocket. Finish with a drizzle of tangy balsamic glaze, to taste. Finally, add a generous handful of your favorite crisps right on top!

Placing the top piece of hollowed-out bread onto the filled sandwich.

STEP SIX: Finish and Serve. Carefully place the hollowed-out piece of bread on top of all the fillings. Press down gently – enough to bring the sandwich together, but not so hard that you crush the crisps completely. Using a very sharp serrated knife, slice the assembled sandwich cleanly in half to reveal its stunning layers. Serve immediately and enjoy every glorious bite!

Expert Cooking Tips for the Perfect Gourmet Sandwich

Achieving sandwich perfection is all about the details. Here are some pro tips to ensure your chicken mayonnaise sandwich is absolutely flawless every time:

  • Achieving Crispy Bacon: For irresistibly crispy, perfectly cooked bacon, lay the rashers on a wire rack placed over a baking tray before grilling or baking. This setup allows the fat to drip away as the bacon cooks, promoting even crisping and preventing it from boiling in its own grease. Keep an eye on it, as cooking times can vary.
  • Maximizing Christmas/Thanksgiving Leftovers: This recipe is a hero for holiday leftovers! After Christmas, use leftover roast turkey instead of chicken – it’s equally delicious and a fantastic way to transform festive remnants. The same applies for Thanksgiving; the flavors pair beautifully. You can also utilize any extra bacon rashers you might have from making sides like sticky pigs in blankets.
  • Choosing the Best Bread: A truly great sandwich begins with truly great bread. Opt for a robust, sturdy loaf – artisan sourdough, a rustic country bread, or a hearty ciabatta are ideal choices. These types of bread can withstand the generous amount of filling without collapsing or becoming soggy. Don’t waste the trimmings! Offcuts can be toasted with cheese, transformed into crunchy croutons (perfect for creamy potato and leek soup), or blended into breadcrumbs for pangrattato, homemade chicken goujons, or rich bread sauce.
  • The “Hollowing Out” Trick: This might seem unconventional, but trust us – it’s a game-changer. By gently tearing out some of the soft bread from one half of the loaf, you create a perfect cavity that allows you to pack in even more of that delicious, creamy chicken mayonnaise filling. This ensures every bite is bursting with flavor, not just bread.
  • Artful Prosciutto Curls: Presentation matters, and it also affects texture. Instead of laying your prosciutto slices flat, arrange them in elegant, loose curls. This creates visual height, adds an appealing rustic touch, and, more importantly, provides a varied and interesting texture with each bite, preventing a flat, dense mouthful.
  • Homemade Pesto Excellence: While quality store-bought pesto is convenient, making your own fresh basil pesto is surprisingly simple and elevates the flavor significantly. Follow a reliable recipe (like one for pasta al pesto) for a vibrant, aromatic spread that will make your sandwich sing.
  • Jazzing Up Store-Bought Jarred Pesto: If jarred pesto is your only option, you can still improve it! Stir in a little extra crushed fresh garlic, a drizzle of high-quality extra virgin olive oil, a pinch of salt, and a tiny bit of fresh lemon zest. These simple additions will brighten its flavor and make it taste much fresher.
  • The Importance of a Serrated Knife: To achieve a clean, beautiful cross-section without squishing your masterpiece, use a very sharp serrated knife when slicing the assembled sandwich. A sharp serrated edge cuts through crusty bread and multiple layers of filling with ease, preventing dragging and ensuring all those delicious components stay neatly in place.

Frequently Asked Questions About This Gourmet Chicken Sandwich

What if I don’t have leftover roast chicken?

No problem at all! This chicken mayonnaise sandwich is incredibly adaptable. It works just as beautifully with leftover roast turkey, making it an excellent way to use up holiday remnants from Christmas or Thanksgiving. Another fantastic option is to use a store-bought rotisserie chicken; simply shred the meat into bite-sized pieces. If you’re starting from scratch, preheat your oven to 200°C (180°C fan). Place two chicken breasts on a sheet of foil, drizzle with a little oil, and season with salt and pepper. Wrap the foil tightly and roast for about 20-25 minutes, or until thoroughly cooked through. Cooking time will vary based on breast size, so always check for doneness. Once cooked, shred with a fork and allow to cool completely before mixing with the mayonnaise. Chicken thighs can also be roasted, though they take slightly longer and generally don’t need to be wrapped in foil.

What other toppings can I add to this gourmet chicken and bacon sandwich?

My version of this ultimate chicken mayonnaise sandwich features a harmonious blend of garlicky pesto, crispy bacon, creamy chicken mayonnaise, salty prosciutto, peppery rocket, buttery avocado, crunchy crisps, and cheesy Parmesan. This combination is, in my opinion, perfection! However, feel free to get creative and customize it based on your preferences or what you have available. You can explore many of the substitutions and variations mentioned above. For instance, consider adding thinly sliced red onion for a sharper bite, sun-dried tomatoes for a concentrated savory flavor, or even a few pickled jalapeños for a spicy kick. Regardless of other additions, I strongly recommend keeping the crisps – their salty crunch is a genuine game-changer that truly elevates the entire sandwich experience!

Can I make this chicken mayonnaise sandwich in advance?

Like most sandwiches, this gourmet chicken mayonnaise sandwich is best enjoyed fresh to fully appreciate all the contrasting textures, especially the crispiness of the bacon and crisps. However, you can certainly prepare components in advance. The chicken mayonnaise filling can be made up to 3 days ahead of time. Store it in an airtight container in the refrigerator. If you need to assemble the sandwich a few hours before serving, you can do so, but hold off on adding the crisps. Assemble all other layers, wrap the sandwich tightly, and chill it. Just before serving, unwrap, add the crisps, gently press down, and then slice. Adding the crisps too early will cause them to become soggy and lose their delightful crunch.

How should I store any leftovers of the sandwich or the chicken mayonnaise mix?

If you find yourself with leftover chicken mayonnaise mix, transfer it to an airtight container and store it in the refrigerator for up to 3 days. It’s fantastic for quick wraps, salads, or even more sandwiches later in the week. If you have any assembled leftover sandwich, wrap it tightly in cling film or foil and keep it refrigerated for about a day. While it won’t be quite as texturally vibrant as when freshly made (the crisps and bread might soften slightly), it will still be incredibly delicious and a perfectly satisfying meal.

Explore More Irresistible Sandwich Recipes

If you’ve fallen in love with the flavors and textures of this ultimate chicken mayonnaise sandwich, you’re in for a treat! Our collection of gourmet sandwiches offers even more exciting ideas to inspire your next meal. Dive into these other delectable creations:

  • Classic Chicken Caesar Sandwich: All the iconic flavors of the salad, perfectly nestled between slices of bread.
  • Mortadella, Pesto & Burrata Focaccia Sandwich: A decadent Italian-inspired delight with creamy burrata.
  • Hearty Chicken Parmesan Sandwich: Comfort food at its finest, with crispy chicken, rich marinara, and melted cheese.
  • For something with a fruity twist, try our Grilled Peach & Burrata Ciabatta, offering a wonderful sweet and savory contrast.
  • Or perhaps a fresh Caprese Bruschetta Ciabatta, bursting with Mediterranean flavors.
  • For a unique and subtly sweet treat, don’t miss our delicate Japanese Strawberry Sandwich.

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Made This Recipe and Loved It? We’d Love to Hear From You!

There’s nothing more rewarding than hearing about your culinary adventures! If you’ve tried this recipe and enjoyed it, we would absolutely love it if you could leave a review in the comments section below. Your feedback, any creative changes you made, and the stories behind what inspired you to try our recipes truly make our day. Plus, if you share a photo of your magnificent sandwich on Instagram, please remember to tag us @desertislanddishes – seeing your creations brings us so much joy!

Stacked gourmet chicken bacon sandwich on a wooden board, ready to serve.

Ultimate Chicken Mayonnaise Sandwich with Bacon, Pesto & Crisps

By: Margie

This next-level chicken mayonnaise sandwich is the perfect way to transform leftover roast chicken into a gourmet delight. Imagine crisp, crusty bread brimming with vibrant basil pesto, smoky crispy bacon, rich and creamy chicken mayonnaise, delicate prosciutto, and smooth avocado. Crowned with a sprinkle of Parmesan and a satisfying crunch of salted crisps, it’s truly one of the best sandwiches you’ll ever make.

Prep: 10 mins
Cook: 10 mins
Total: 20 mins
Servings: 2
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Ingredients

For the chicken mayo:

  • 300 g cooked chicken (approx), shredded
  • 2-3 tbsp full-fat mayonnaise
  • 1 tsp Dijon mustard
  • 1 spring onion, chopped
  • Small bunch of chives, finely chopped
  • Salt and freshly ground black pepper, to taste

For the sandwich:

  • 4-6 bacon rashers
  • 1 loaf of fresh crusty bread
  • 2-3 heaping tbsp fresh basil pesto
  • 6 slices of prosciutto
  • 1 large ripe avocado, halved, de-stoned, peeled and thinly sliced
  • Freshly grated Parmesan
  • 2 handfuls of ready-to-eat rocket
  • Drizzle of balsamic glaze
  • Ready salted crisps

Instructions

  1. Preheat the grill to medium-high. Lay the bacon rashers, well spaced apart, onto a wire rack set over a baking tray. Reduce the grill to medium and pop in the bacon. Grill for 2-3 minutes on each side – or until crisped up to your liking. The exact timing will depend on your bacon, so watch closely to ensure it doesn’t burn. Remove from the grill and set aside to cool and become extra crispy.
  2. Meanwhile, add the shredded chicken into a medium-sized mixing bowl. Add the mayonnaise, Dijon mustard, spring onion, and chives. Season generously with salt and freshly ground black pepper, then mix well to combine, ensuring all ingredients are evenly distributed. Adjust seasoning as required.
  3. Remove the ends from the loaf of bread (these can be saved for croutons or simply toasted). Slice the loaf in half lengthwise, so you have two large flat sides. From one of these slices (which will be your top piece), carefully hollow out some of the soft bread interior. This optional but highly recommended step creates space for more filling. Spread both slices generously with fresh basil pesto. On the flat, un-hollowed slice (your base), layer the slices of prosciutto, curling them slightly to create height and texture.
  4. Spoon over the chicken mayonnaise mix, spreading it gently and evenly across the prosciutto. Top with a couple of rashers of your crispy bacon, followed by the thinly sliced avocado. Sprinkle generously with freshly grated Parmesan shavings, then add a handful of fresh rocket leaves. Drizzle with balsamic glaze to taste. Finally, add a generous handful of ready-salted crisps on top for that signature crunch.
  5. Carefully place the hollowed-out piece of bread on top of all the layered fillings. Press down gently – you want to compact the sandwich slightly without crushing the crisps too much.
  6. Using a very sharp serrated knife, slice the assembled sandwich cleanly in half to reveal its beautiful layers. Serve immediately and savor every delicious bite!

Notes

To store: If you have leftover chicken mayonnaise mix, transfer it to an airtight container and refrigerate for up to 3 days. If you have any assembled leftover sandwich, wrap it tightly in cling film and keep it in the fridge for a day or so. While the texture won’t be as crisp as when fresh, it will still be delicious.

Make ahead: This chicken mayonnaise sandwich is best served fresh. However, you can prepare the chicken mayonnaise filling up to 3 days in advance and store it chilled. You can assemble the sandwich (excluding crisps) a few hours before serving, wrap it tightly, and chill. Add the crisps just before serving to maintain their crunch.

Chicken: This recipe is perfect for using up leftover roast chicken. It’s also one of our favorite Christmas or Thanksgiving leftover recipes; simply swap chicken for turkey.

Best bread: Use a robust loaf of bread that can hold the generous filling. Hollowing out one side is highly recommended as it allows you to pack in even more of the delicious chicken mayonnaise mixture.