HOT DOGS, POTATOES AND GREEN BEAN CASSEROLE

1 pkg. hot dogs
7 to 8 potatoes (cubed)
1 can green beans
Onion

Boil cubed potatoes until soft. Boil hotdogs sliced in small circles. Saute onion in margarine in large skillet. Add potatoes, hot dogs and green beans. Mix and cook on low heat until desired consistency.