Green Bean Casserole - cooking recipe

Ingredients

2 cans drained French-style green beans
4 oz. shredded sharp Cheddar cheese
2 c. sour cream
4 tsp. butter
1/2 c. minced onion
4 level Tbsp. flour
1 tsp. salt
1/4 tsp. pepper
1 tsp. dry mustard
1/2 tsp. Worcestershire sauce

Preparation

Brown onions; add remaining ingredients, except green beans and cheese.
Cook until bubbly; don't boil, just simmer.
Toss together with green beans; put into a baking dish.
Spread cheese on top.
Bake at 350\u00b0 until brown and bubbly.