1 med. onion, chopped
1 lb. ground beef
Salt and pepper
1 (No. 2) can 2 1/2 cups green beans
5 med. potatoes, cooked
1/2 c. warm milk
1 beaten egg
1 (10 1/2 or 11 oz.) can condensed tomato soup

Cook onion in hot fat until golden, add meat and seasonings; brown. Add drained beans and soup; pour into greased 1 1/2 quart casserole. Mash the potatoes, add the milk, egg and seasonings. Spoon in mounds over meat. Bake in 350 degree oven for 30 minutes. Serves 6.