If you grew up with green bean casserole ... from the classic is worth it: Who can resist caramelized onions, a creamy bechamel, and a crunchy, cheesy topping? French onion soup fans will be ...

For the casserole, heat the butter and ... grease an 8 by 8-inch baking dish with butter. Pour the bean mixture into the dish and top with the Crunchy Onion Topping; bake 10 minutes and serve ...