Heat wok or large skillet over high heat. Add oil. Place steak in single layer and cook without stirring to brown, about 1 minute. Cook another minute, stirring once or twice, until all pink is gone. With slotted spoon or tongs, transfer meat to dish and set aside.
Add vegetables to skillet's juices and stir fry over medium heat until vegetables are tender, about 5 minutes.
Cook rice per package directions.
Add ginger and garlic to skillet and stir fry 30 seconds. Add steak, cooked rice, scallions, peanuts, and remaining 1 tablespoon soy sauce. Stir fry until heated through