Classic Pepper Steak
["1 lb. beef sirloin steak", "1 Tbsp. Kikkoman stir-fry sauce", "2 Tbsp. vegetable oil, divided", "2 medium green, red or yellow bell peppers, cut into 1-inch squares", "2 medium onions, cut into 1-inch squares", "hot cooked rice (optional)"]
["Cut beef across grain into thin strips, then into 1-inch squares.", "Coat with 1 tablespoon stir-fry sauce.", "Heat 1 tablespoon oil in a hot wok or large skillet over high heat.", "Add meat and stir-fry 1 minute; remove.", "Heat remaining 1 tablespoon oil in same pan.", "Add peppers and onions; stir-fry 5 minutes. Stir in beef and 1/4 cup stir-fry sauce.", "Cook and stir just until beef and vegetables are coated with sauce.", "Serve immediately with rice."]
["beef sirloin steak", "stir-fry sauce", "vegetable oil", "bell peppers", "onions", "rice"]