Tater Tot Casserole Ingredients 1 pound ground beef 1 can cream of chicken soup 1 can cream of mushroom soup 8 ounces sour cream 1/3 cup red onion 2 cups mild Cheddar cheese, grated dash of salt and pepper 1-28 ounce bag tater tots Directions In a skillet, brown beef; drain and rinse. Combine beef, chicken soup, mushroom soup, sour cream, onion, half of cheese, salt and pepper. hen add 3/4 of the tater tots. Pour into an ungreased 9 x 13 inch pan. Top with remaining tater tots. Bake at 350F for 25 minutes. Then top with remaining cheese and bake an additional 5 minutes. Serves 6 to 8.