Hamburger Pie Casserole - cooking recipe

Ingredients

1 lb. ground beef
1 medium onion
1 (No. 2) can green beans
1 (10 1/2 oz.) tomato soup
5 medium potatoes, cooked
1/2 c. warm milk
1 beaten egg
salt and pepper

Preparation

Brown hamburger and onion; pour into casserole.
Add soup to drained beans and heat.
Pour over hamburger.
Mash potatoes, add milk, egg and seasoning.
Spoon over beans.
Dab well with butter or margarine.