
3 boneless, skinless chicken breasts, halved horizontally and thinly sliced
Kosher salt and ground pepper
2 Tbsp olive oil
1 large onion, halved and thinly sliced
2 large red bell peppers, ribs and seeds removed, thinly sliced
3 cloves garlic, minced
2 tsp grated peeled fresh ginger
1/4 to 1/2 tsp red-pepper flakes
1/3 cup soy sauce
1/3 cup rice vinegar
3 tsp cornstarch, mixed with 2 tablespoon water
12 to 16 Boston lettuce leaves, (about 2 heads)
Season chicken with salt and pepper. In a large nonstick skillet, heat 1 tablespoon oil over high heat. Add the chicken; cook, stirring constantly, until opaque throughout. Transfer to a plate.
Add remaining tablespoon oil to pan, along with the onion and bell peppers. Cook, stirring constantly, until onion is tender and golden.
Add chicken to pan and reduce heat to medium. Add garlic, ginger, and red-pepper flakes; cook, stirring, until fragrant, 30 to 60 seconds.
Stir in soy sauce, vinegar, and cornstarch mixture until sauce has thickened. Serve in lettuce cups.







