01 - Cook the rice vermicelli noodles according to package instructions. Drain well, rinse thoroughly under cold water to stop cooking, and set aside to drain completely.
02 - Arrange all prepared vegetables, herbs, cooked chicken, and drained noodles in separate piles within easy reach of your work station.
03 - Fill a large shallow dish with warm water. Submerge one rice paper wrapper for 5-10 seconds until pliable. Transfer to a clean, damp kitchen towel or cutting board.
04 - Position the wrapper with one corner facing you. On the bottom third, place a lettuce leaf followed by small portions of noodles, chicken, carrot, cucumber, bell pepper, mint, cilantro, and Thai basil.
05 - Fold the sides inward toward the center. Starting from the bottom edge, roll upward tightly into a neat cylinder. Repeat with remaining ingredients.
06 - Whisk together hoisin sauce, peanut butter, soy sauce, rice vinegar, sugar, and warm water until completely smooth. Adjust water for desired consistency. Stir in sriracha if using. Top with crushed peanuts.
07 - Present rolls whole or cut diagonally in half. Serve immediately with dipping sauce on the side.