Easy Chinese Pepper Steak

Easy Chinese Pepper Steak 1 pound sirloin steak, cut into ¼ inch thick strips ¼ cup + 1 tablespoon soy sauce, divided 1 tablespoon rice vinegar 2 tablespoons cornstarch ½ cup beef broth 1 tablespoon sesame oil 1 tablespoon sugar 1 tablespoon black pepper 2 green bell peppers, cut into 1-inch squares 1 red bell pepper, cut into 1-inch squares 1 onion, sliced 4 cloves crushed garlic 2 teaspoons minced ginger 4 tablespoons vegetable oil, divided ¼ cup sliced green onions (optional) Pour 1 tablespoon soy sauce and 1 tablespoon rice vinegar over beef in a small mixing bowl. Set aside. In another small mixing bowl, whisk together ¼ cup soy sauce and cornstarch. Add in beef broth, sesame oil, sugar, black pepper, ginger, and garlic. Whisk to combine. Set aside. Heat 2 tablespoons of vegetable oil in a wok over high heat. Add in beef and toss until seared. Remove from wok and set aside. Add in another 2 tablespoons of vegetable oil. Add in peppers and onions. Cook in the wok until tender crisp. Add meat back into the wok. Add in ginger garlic sauce. Stir and cook about 1 minute. Serve with sliced green onions to garnish.