Bean Casserole - cooking recipe

Ingredients

2 cans French-style string beans, drained
1 c. sharp cheese
1 medium onion, chopped
1 can cream of mushroom soup
1 can French fried onion rings
butter or margarine

Preparation

Saute onion in small amount of butter in large frying pan. Add mushroom soup, string beans and cheese.
Mix until cheese melts.
Place in casserole and top with onion rings.
Bake in oven for 30 minutes at 375\u00b0.