Hamburger Casserole(A Family Favorite!) - cooking recipe

Ingredients

1 1/2 lb. ground chuck
1 medium onion, chopped
salt and pepper to taste
oregano to taste
1 can tomato soup
2 pkg. frozen string beans, cooked
cooked, mashed potatoes (for topping)
American cheese slices

Preparation

Brown meat in skillet with onion and seasonings.
Drain fat and place meat mixture in bottom of casserole; cover with the tomato soup.
Layer string beans over soup and then top casserole with the mashed potatoes.
Top with some butter and slices of American cheese.
Bake in a 350\u00b0 oven for 40 minutes.