1 lb. ground beef
1/2 c. chopped onion
1/2 tsp. salt
Dash pepper
1 (1 lb.) can cut green beans, drained
1 (10 3/4 oz.) can condensed tomato soup
5 med. potatoes, cooked
1/2 c. warm milk
1 beaten egg
1/2 c. shredded process American cheese

Brown meat and onions. Add salt and pepper. Add drained beans and soup; pour into greased 1 1/2 quart casserole. Mash potatoes while hot; add milk and egg. Season with salt and pepper. Spoon in mounds over casserole, sprinkle with cheese. Bake 350 degrees 25 to 30 minutes.