If using frozen peas, place them in a colander and run them under hot water for a minute to thaw. Set aside while allowing water to drain completely.
Meanwhile, chop or shred your chicken and add it to a large bowl.
Add in the pesto, yogurt, sun-dried tomatoes, and peas. Toss to combine and
season with sea salt and pepper to taste.
Lay several lettuce leaves on top of each other "doubled up" to create a sturdy vessel. Spoon your chicken salad in the lettuce leaves, then sprinkle with red pepper flakes and enjoy!