boneless skinless chicken breast, cut crosswise into 1/4-inch-thick slices • Corse salt & ground pepper • cornstarch • vegetable oil • onion, halved & cut into 1/4-inch-thick wedges • bell peppers (red,yellow,green or mix), cut into 1/4-inch-wide strips • garlic, minced • rice vinegar • soy sauce • oyster sauce • fresh basil leaves, larger leaves torn in half. Cooked white rice for serving (optional)
