Pour a little water in a shallow dish.

Wet a rice paper for 10–15 seconds and transfer to a clean work surface.

Place lettuce in the center of the wrap. Top with cucumber, carrot, cabbage, pepper, and avocado. Sprinkle salt and pepper.

Fold bottom of wrap over filling, then fold in the sides. Roll gently from bottom to top. Cut in half.

Cover with a damp paper towel and repeat with remaining papers and fillings.

In a bowl, whisk peanut butter, soy sauce, lime juice, brown sugar, garlic, and sriracha sauce. Add a little water at a time until you reach desired consistency.

Plate wraps and serve with peanut sauce.