Cheesy Green Bean Casserole 29 Mar 13

Cheesy Green Bean Casserole

1/2 cup chopped onion
2 tablespoons butter
2 tablespoons flour
2 cups sour cream
32 oz can green beans
1/2 tsp salt
1/4 tsp pepper
1 cup shredded cheddar cheese

Brown onion in 2 tablespoons butter; add 2 tablespoons flour and mix well. Add sour cream and stir until it is mixed well. Drain water off green beans; put in large bowl. Pour mixture over green beans; add salt and pepper. Stir. Pour in baking dish; add shredded cheese over top. Bake at 350 degrees for 30 minutes.