Easy Green Bean Casserole - cooking recipe

Ingredients

2 cans green beans
1 can mushroom soup
1 can onion rings

Preparation

Drain beans; mix beans and mushroom soup in casserole bowl. Cook in oven at 300\u00b0 for 30 minutes.
Put canned onion rings on top of casserole.
Put back in oven for 5 minutes or until onions are golden brown on top.