Beef and Green Pepper Stir-Fry with Black Bean Sauce is a flavorful and savory dish that is sure to satisfy your taste buds. Thinly sliced beef is stir-fried with green peppers and onions, and then tossed in a rich and aromatic black bean sauce. The black bean sauce adds a depth of flavor to the dish, while the green peppers provide a fresh and crunchy element. Serve this stir-fry over steamed rice for a complete and delicious meal.