String Bean Casserole - cooking recipe

Ingredients

1 Tbsp. butter
1 grated onion
1 Tbsp. flour
1 tsp. sugar
1/2 pt. sour cream
3 slices Swiss cheese
3 pkg. frozen French-cut green beans

Preparation

Melt butter; add onion, flour, sugar and sour cream.
Melt 3 slices Swiss cheese, cut up, and mix all with green beans which have been cooked 5 minutes and drained.
Bake at 350\u00b0 for 1/2 hour covered on until bubbles.
Serves 6.