1 lb. hamburger
1 onion, diced
1 can green beans
1 can mushroom soup
1 can tomatoes
Salt & pepper
Tator tots

Brown hamburger and saute onions in frying pan. Drain fat. In a 9 x 13 inch baking pan combine all ingredients except tator tots. Cover top of casserole with tator tots. Bake at 350 degrees until tator tots are nice and brown.