Tater Tot Casserole II

1 (32 ounce) package frozen potato rounds

1 (16 ounce) container sour cream

1 cup shredded Cheddar cheese

1 (10.75 ounce) can condensed cream of mushroom soup

1 (6 ounce) can French-fried onions

Preheat oven to 350 degrees F (175 degrees C). Grease a 9x13 inch baking dish.

Arrange tater tots in the prepared baking dish.

In a mixing bowl, combine sour cream, cheese, and mushroom soup. Pour this mixture over the tater tots. Sprinkle onions over the top of the casserole.

Bake in the 350 degrees F (175 degrees C) oven for 45 to 60 minutes.