Beef Wellington is an elegant British dish that can be made with the help of a food processor. Start by searing a beef tenderloin and set it aside. In the food processor, blend mushrooms, onions, garlic, and herbs to make a duxelles. Spread the duxelles on puff pastry, place the seared beef on top, and wrap it tightly. Bake until the pastry is golden and the beef is cooked to perfection. Serve this impressive dish for a special occasion!