Hamburger Pie - cooking recipe

Ingredients

1 medium onion, chopped
1 lb. good ground beef
2 1/2 c. or 1/2 lb. cooked green beans
1 (10 1/2 to 11 oz.) can condensed tomato soup
5 medium potatoes, cooked or equivalent amount instant mashed*
1/2 c. warm milk
1 beaten egg
salt and pepper to taste
1/2 c. shredded American cheese for topping (optional)

Preparation

*If using instant potatoes, follow package directions and omit egg and warm milk.