This Mongolian beef stir-fry recipe is quick and easy to make. Thinly sliced beef is quickly cooked with onions, garlic, and ginger, then tossed in a sauce made from soy sauce, oyster sauce, and brown sugar. The result is a flavorful and satisfying dish that can be on the table in under 30 minutes. Serve it with steamed rice or noodles for a complete meal.
