Add all ingredients in a large bowl. Season to taste with salt and pepper. Gently stir until combined. Taste and adjust seasonings.
Toast bread or slice open a fresh croissant. Top with lettuce and a few scoops of pesto chicken salad. Add any other desired toppings—I love a few slices of ripe avocado.
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Notes
Note 1: I love roasted red pepper strips. Drain well before dicing.Note 2: Try to find tomatoes packed in oil and with herbs for more flavor.Note 3: I like to grab already toasted almonds—more flavor and no extra work for you!Note 4: The pesto is the most important ingredient in this salad! You'll want to use freshly made basil pesto (or make your own), not the preserved/jarred kind. Freshly made pesto is typically near fresh (not dried) pasta or in the produce section of the store. My two favorites are Buitoni® Pesto with Basil or Rana® Basil Pesto.Note 5: For assembly, use bread (I love mini croissants), lettuce, avocado, or whatever you like on a chicken salad sandwich!Storage: For the best flavor, enjoy this recipe the same day it's made. If preparing ahead, you can refrigerate it for a few hours. For longer storage, it will last in the fridge for 2–3 days, though the flavors and textures will change, and the almonds may soften.