This Horseradish-Mashed-Potato Shepherds Pie is a delicious twist on the classic comfort food. Creamy mashed potatoes flavored with horseradish are layered on top of a savory filling of ground beef, vegetables, and gravy. The horseradish adds a subtle kick to the dish, while the mashed potatoes create a creamy and comforting topping. This hearty and flavorful Shepherds Pie is perfect for a cozy dinner on a cold night.