2 (10 oz.) frozen green beans
2 tbsp. butter
2 tbsp. flour
1 tsp. salt
1/2 tbsp. grated onion
1/2 lb. grated Swiss cheese
1/4 tsp. pepper
1 c. sour cream
2 c. corn flakes

Melt butter. Stir in flour, salt, pepper and onion. Add sour cream gradually, fold in green beans. When beans are hot, stir in cheese. Pour in greased casserole dish and top with corn flakes. Bake at 400 degrees for 20 minutes.