Holiday String Bean Casserole - cooking recipe

Ingredients

3 pkg. frozen French-cut string beans, cooked and drained
2 Tbsp. flour
2 Tbsp. butter
1 tsp. salt
1/4 tsp. pepper
1 Tbsp. sugar
1/2 pt. sour cream
1 medium onion, chopped finely
dash of garlic salt
1/2 lb. Swiss cheese, grated
1 c. Cheddar cheese, grated
1 1/2 c. crushed cornflakes
2 Tbsp. melted butter

Preparation

Combine 2 tablespoons butter, flour, salt, pepper, sugar, sour cream, grated onion and garlic salt in saucepan.
Cook until thickened.
Mix sauce with beans and pour into buttered casserole. Cover with grated cheeses.
Top with crushed cornflakes.
Drizzle melted butter on top.
Bake at 400\u00b0 for 20 minutes or until bubbly.