Creamy Green Bean Casserole
Ingredients for Creamy Green Bean Casserole 4 tablespoon butter, divided 2 tablespoon flour 1 tablespoon sugar 1/4 teaspoon pepper 1/2 teaspoon salt 1 tablespoon onion, chopped 1 cup sour cream 2 1-pound cans whole green beans, drained 1/2 pound Swiss…