Steak and kidney pie is a traditional British dish that is made with diced beef steak and kidneys, cooked in a rich gravy and encased in a pastry crust. The filling is often flavored with onions, Worcestershire sauce, and herbs. Steak and kidney pie is a hearty and flavorful dish that is often served as a main course. It is a popular choice in British food restaurants and is a classic example of British comfort food.