If you like a little heat, this Spicy Mongolian Beef recipe is for you. The beef is marinated in a spicy sauce made with soy sauce, ginger, garlic, and red pepper flakes. Using a food processor to slice the beef ensures that it absorbs all the flavors of the marinade. Stir-fry the beef with bell peppers and onions for a fiery and delicious dish that will satisfy your cravings for spicy food.
