1/4 c. cornflake crumbs
2 tbsp. flour
1 tbsp. sugar
1 tsp. minced onion
2 cans of French cut green beans
4 tbsp. melted butter
1 tsp. salt
1/2 tsp. pepper
1 c. sour cream
2 c. grated Swiss cheese

Mix cornflake crumbs with 2 tablespoons melted butter. Set aside. melt remaining 2 tablespoons butter; add flour, salt, pepper, sugar, and onion. Mix well. Add sour cream and stir until smooth. Increase heat until sauce is thick and bubbly. Stir constantly. Remove from heat and fold in green beans. Place in greased casserole and top with Swiss cheese, then crumb mix. Bake at 350 degrees for 20 to 30 minutes.