Mexican Casserole - cooking recipe

Ingredients

1 1/2 lb. hamburger
1 medium onion, chopped
2 cans cream of mushroom soup
1 can Pet milk (8 oz. size)
1 stick butter
1 can Ro-Tel
1 bag nacho Doritos
grated cheese

Preparation

Cover bottom of casserole dish with Doritos.
Brown hamburger and onion together; drain.
Pour over chips.
In a saucepan, melt together soup, milk, butter and Ro-Tel.
Pour over hamburger. Cover with grated cheese.
Bake at 350\u00b0 until cheese is melted and bubbly.