Green Bean Casserole - cooking recipe

Ingredients

3 Tbsp. butter
1/4 c. chopped onion or 1 Tbsp. instant onion
2 Tbsp. flour
1 tsp. salt
1 tsp. pepper
1 tsp. sugar
1 c. sour cream
4 c. green beans
1/4 to 1/2 lb. grated Swiss cheese
cornflake crumbs

Preparation

Cook butter, onion and flour until thick.
Mix flour mixture with salt, pepper, sugar, sour cream and grated cheese.
Mix lightly with beans.
Top with cornflake crumbs.
Bake at 400\u00b0 for 20 to 25 minutes.