Loaded tater tot casserole is a relatively recent culinary creation. Its history can be traced back to the United States in the late 20th century. The dish typically consists of tater tots (a type of potato snack made from grated potatoes formed into small cylindrical shapes). It is arranged in a casserole dish, topped with various ingredients such as cheese, bacon, ground beef, and vegetables. Then, baked in the oven until crispy and golden.