Ingredients

1½lbschicken breasts,boneless, skinless

coarse salt and ground pepper

2tbspolive oil

1large onion

1large red bell pepper

3garlic clove

1½tspfresh ginger,grated peeled

¼tspred-pepper flakes

3tbspsoy sauce

3tbsprice vinegar

1½tspcornstarch

12boston lettuce leaves,(about 2 heads)

Preparation

Season chicken with salt and pepper.

In a large nonstick skillet, heat 1 tablespoon oil over high heat. Add half the chicken; cook, stirring constantly, until opaque throughout. Transfer to a plate. Repeat with remaining chicken.

Add remaining tablespoon oil to pan, along with the onion and bell pepper. Cook, stirring constantly, until the onion is tender and golden. Reduce the heat if it’s browning too quickly.

Reduce the heat to medium, then add garlic, ginger, and red-pepper flakes. Cook, stirring, until fragrant.

Stir in he soy sauce, vinegar, and cornstarch mixture; remove from heat. Add the chicken and any accumulated juices, then toss to coat.

Serve in lettuce cups.