Onion Casserole - cooking recipe

Ingredients

3 c. sliced onions
1 can cream of mushroom soup
3/4 to 1 c. cornflake crumbs
1/2 stick melted margarine

Preparation

Put onions in well-greased
casserole dish.
Cover with mushroom soup and sprinkle with cornflake crumbs.
Pour melted margarine over top.
Bake at 350\u00b0 for
1
hour or until onions are tender.