- Cut beef into thin strips; coat with mixture of 2 Tbsp. teriyaki sauce, 1-1/2 Tbsp. cornstarch and garlic. Let stand 15 minutes.
- Meanwhile, combine remaining 2 Tbsp. teriyaki sauce, 1 tsp. cornstarch, crushed red pepper, orange peel and juice and 1/4 cup water.
- Heat 1 Tbsp. oil in hot wok or large skillet over high heat. Add beef and stir-fry 2 minutes; remove.
- Reduce heat to medium-high; heat remaining 1 Tbsp. oil in same pan. Add carrot and white parts of green onions; stir-fry 1 minute. Add green onion tops; stir-fry 30 seconds. Add beef and teriyaki sauce mixture. Cook, stirring, until sauce boils and thickens, about 2 minutes.
- Serve with rice.