Ingredients:
1 cup thinly sliced onions
3 tablespoons vegetable oil, divided
3 cups thinly sliced mushrooms
1 1/2 pound beef flank steak, thinly sliced
3/4 cup A.1. Original or A.1. Bold & Spicy Steak Sauce
1/2 cup sour cream
Hot cooked noodles

Directions:

Cook onions in 1 tablespoon of oil in skillet for 3 minutes. Add mushrooms; cook just until tender. Remove from skillet.

Brown meat, in batches, in remaining oil. Return meat and vegetables to skillet. Stir in steak sauce. Heat to a boil; reduce heat to low. Simmer for 15 minutes. Stir in sour cream. Serve mmediately over noodles.