Shepherd's pie is a comforting, hearty dish made traditionally with lamb, vegetables, and mashed potatoes. A simpler version calls for browning ground beef or lamb, adding onions, carrots, peas, and a rich gravy. Then, you spread mashed potatoes on top and bake until golden. Have you ever tried making it before, or is this your first time? I'm here to help with any specific questions you might have about the process!