Tasty Chicken Salad Croissant Sandwich

There’s something about a chicken salad sandwich that just feels right for lunch. Maybe it’s the crunch from the celery and pecans, or the sweet pop of grapes mixed in. Whatever it is, I’ve been making this same chicken salad for years, and my family still asks for it.

The secret is using a croissant instead of regular bread. It sounds fancy, but you can grab croissants at any grocery store bakery. They’re buttery and flaky, which makes every bite feel a little special without any extra work on your part.

This recipe makes enough for eight sandwiches, so it’s great for feeding a crowd at a picnic or packing lunches for the week. You can make the chicken salad ahead of time and keep it in the fridge. When you’re ready to eat, just scoop it onto a croissant and you’re good to go.

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What Kind of Chicken Should I Use?

The great thing about chicken salad is that it’s super flexible when it comes to the type of chicken you use. Rotisserie chicken from the grocery store is honestly one of the easiest options – just pull off the skin, shred the meat, and you’re good to go. If you prefer to cook your own, poached or baked chicken breasts work perfectly and give you a mild, clean flavor that lets the other ingredients shine. Leftover grilled chicken is another solid choice, though it will add a slightly smokier taste to your salad. Whatever you choose, just make sure your chicken is completely cooled before mixing it with the mayo and other ingredients, or you’ll end up with a warm, soupy mess.

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Options for Substitutions

This chicken salad is easy to customize based on what you have in your kitchen:

• Cooked chicken: Use rotisserie chicken for a quick shortcut, or swap in leftover turkey for a different flavor. You can also use canned chicken in a pinch – just drain it well and flake it with a fork.
• Red grapes: Green grapes work just as well, or you can use dried cranberries or chopped apple for a different sweet element. If using dried cranberries, add about ¾ cup instead.
• Mayonnaise: You can use all Greek yogurt for a lighter version, or do a half-and-half mix of mayo and Greek yogurt. Just know that using only yogurt will give you a tangier, less creamy result.
• Sour cream: Ranch dressing is mentioned as an option and works great. You can also use plain Greek yogurt or leave it out and add a bit more mayo instead.
• Fresh dill: If you don’t have fresh dill, use 2 teaspoons of dried dill. You can also swap in fresh tarragon or parsley for a different herb flavor.
• Croissants: While croissants give this sandwich a nice buttery touch, you can serve the chicken salad on regular sandwich bread, wraps, lettuce cups, or even crackers for a lighter option.

Watch Out for These Mistakes While Cooking

The biggest mistake people make with chicken salad is adding the dressing while the chicken is still warm, which can make the mayonnaise separate and turn the whole mixture watery – always let your cooked chicken cool completely in the fridge before mixing.

Another common error is over-mixing the salad, which can break down the grapes and make everything mushy, so fold the ingredients together gently until just combined.

To keep your croissants from getting soggy, pat the chicken salad with a paper towel before assembling if it seems too wet, and consider toasting the croissants lightly for a bit of crunch that holds up better against the creamy filling.

Finally, don’t skip the chilling time – those 4 hours allow the flavors to blend together and the salad to firm up, making it much easier to pile onto your croissants without it sliding everywhere.

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What to Serve With Chicken Salad Croissant Sandwich?

A chicken salad croissant sandwich is pretty filling on its own, so I like to keep the sides light and simple. A handful of kettle-cooked potato chips or some crispy sweet potato fries on the side adds a nice crunch that contrasts with the creamy chicken salad. If you want something fresher, a simple fruit salad with melon, berries, and pineapple works great, or even just some extra grapes like the ones already in the sandwich. For a more complete meal, try serving it with a cup of tomato soup or a light cucumber salad dressed with lemon and olive oil.

Storage Instructions

Store: Keep the chicken salad separate from the croissants for best results. Store the chicken salad in an airtight container in the fridge for up to 3 days. The croissants are best kept at room temperature in a bread bag for a day or two, or you can freeze them separately.

Make Ahead: This chicken salad actually tastes better when the flavors have time to meld together! Make it a day ahead and keep it chilled until you’re ready to assemble your sandwiches. Just wait to add the croissants until serving time so they don’t get soggy.

Assemble: If you need to prep sandwiches ahead, assemble them no more than 2-3 hours before serving and wrap each one tightly in plastic wrap. Keep them in the fridge, but know that the croissants will lose some of their flaky texture the longer they sit with the filling.

Estimated Nutrition

Estimated nutrition for the whole recipe (without optional ingredients):

• Calories: 3400-3700
• Protein: 170-190 g
• Fat: 210-230 g
• Carbohydrates: 210-230 g

Ingredients

For the chicken mixture:

• 1.5 lb chicken (cooked and diced into 1/2-inch cubes)
• 1.25 cups celery (diced)
• 1.5 cups grapes (halved lengthwise for better distribution)
• 3 scallions (finely sliced)
• 1/2 cup toasted pecans (chopped)

For the dressing:

• 1.25 cups mayonnaise
• 1/3 cup sour cream
• 2 tbsp fresh dill (minced)
• 1.5 tsp Dijon mustard
• 1 tsp salt
• 1 tsp pepper
• 1 lemon (freshly squeezed for bright acidity)

For the sandwiches:

• 8 large croissants

Step 1: Prepare All Ingredients and Build the Dressing

• 1.5 lb cooked chicken, diced
• 1.25 cups celery, diced
• 1.5 cups grapes, halved
• 3 scallions, finely sliced
• 1/2 cup toasted pecans, chopped
• 2 tbsp fresh dill, minced
• 1.25 cups mayonnaise
• 1/3 cup sour cream
• 1.5 tsp Dijon mustard
• 1 tsp salt
• 1 tsp pepper
• 1 lemon, freshly squeezed

Dice the cooked chicken into ½-inch cubes and set aside.

Dice the celery, halve the grapes lengthwise, finely slice the scallions, chop the toasted pecans, and mince the fresh dill—this prep work ensures everything comes together smoothly.

In a bowl, whisk together the mayonnaise, sour cream, Dijon mustard, salt, and pepper until smooth.

Squeeze the fresh lemon juice directly into the dressing and stir to combine.

The acidic lemon juice brightens the richness of the mayo and sour cream, creating a more balanced flavor.

Step 2: Combine Chicken with Vegetables and Dressing

• diced chicken from Step 1
• diced celery from Step 1
• halved grapes from Step 1
• sliced scallions from Step 1
• chopped pecans from Step 1
• dressing mixture from Step 1

In a large bowl, add the diced chicken, diced celery, halved grapes, sliced scallions, and chopped pecans.

Pour the dressing from Step 1 over the chicken mixture and fold everything together gently until all ingredients are evenly coated.

I like to use a rubber spatula rather than stirring vigorously, which helps keep the grapes and pecans intact while ensuring the dressing distributes throughout without breaking down the delicate chicken pieces.

Step 3: Chill and Set the Salad

• chicken salad mixture from Step 2

Transfer the chicken salad to a covered container and refrigerate for at least 2-4 hours.

This resting time allows the flavors to meld together and lets the celery soften slightly while maintaining its pleasant crunch.

The cold temperature also helps the mayo-based dressing firm up, making the salad easier to pile onto the croissants without becoming too loose.

Step 4: Assemble and Serve

• 8 large croissants
• chilled chicken salad from Step 3

Slice each large croissant in half horizontally.

Spoon a generous portion of the chilled chicken salad onto the bottom half of each croissant, then cap with the top half.

Serve immediately while the croissants are still tender and the salad is pleasantly cold.

For a more elegant presentation, I sometimes place a small lettuce leaf or herb sprig on the croissant before adding the chicken salad to add visual appeal and prevent the croissant from becoming too soggy.

Tasty Chicken Salad Croissant Sandwich

Delicious Tasty Chicken Salad Croissant Sandwich recipe with step-by-step instructions.

Print Recipe Pin Recipe

Prep Time 1 hour hr 25 minutes mins

Cook Time 2 hours hrs 45 minutes mins

Total Time 4 hours hrs 12 minutes mins

Servings 8 sandwiches

Calories 3550 kcal

Ingredients

  

For the chicken mixture

• 1.5 lb chicken (cooked and diced into 1/2-inch cubes)
• 1.25 cups celery (diced)
• 1.5 cups grapes (halved lengthwise for better distribution)
• 3 scallions (finely sliced)
• 1/2 cup toasted pecans (chopped)

For the dressing

• 1.25 cups mayonnaise
• 1/3 cup sour cream
• 2 tbsp fresh dill (minced)
• 1.5 tsp Dijon mustard
• 1 tsp salt
• 1 tsp pepper
• 1 lemon (freshly squeezed for bright acidity)

For the sandwiches

• 8 large croissants

Instructions

 

• Dice the cooked chicken into ½-inch cubes and set aside. Dice the celery, halve the grapes lengthwise, finely slice the scallions, chop the toasted pecans, and mince the fresh dill—this prep work ensures everything comes together smoothly. In a bowl, whisk together the mayonnaise, sour cream, Dijon mustard, salt, and pepper until smooth. Squeeze the fresh lemon juice directly into the dressing and stir to combine. The acidic lemon juice brightens the richness of the mayo and sour cream, creating a more balanced flavor.
• In a large bowl, add the diced chicken, diced celery, halved grapes, sliced scallions, and chopped pecans. Pour the dressing from Step 1 over the chicken mixture and fold everything together gently until all ingredients are evenly coated. I like to use a rubber spatula rather than stirring vigorously, which helps keep the grapes and pecans intact while ensuring the dressing distributes throughout without breaking down the delicate chicken pieces.
• Transfer the chicken salad to a covered container and refrigerate for at least 2-4 hours. This resting time allows the flavors to meld together and lets the celery soften slightly while maintaining its pleasant crunch. The cold temperature also helps the mayo-based dressing firm up, making the salad easier to pile onto the croissants without becoming too loose.
• Slice each large croissant in half horizontally. Spoon a generous portion of the chilled chicken salad onto the bottom half of each croissant, then cap with the top half. Serve immediately while the croissants are still tender and the salad is pleasantly cold. For a more elegant presentation, I sometimes place a small lettuce leaf or herb sprig on the croissant before adding the chicken salad to add visual appeal and prevent the croissant from becoming too soggy.