Ingredients
6 medium yellow onions1/4 cup butter, cubed2 tablespoons all-purpose flour1/2 cup beef broth1/2 cup heavy whipping cream1/4 teaspoon salt1/8 teaspoon pepper1/2 cup shredded Swiss cheese1/2 cup grated Parmesan cheese
Preparation
Cut onions into 1/2-in. slices; saute in butter until tender. Place in a greased 8-in. square baking dish.
In a small bowl, stir the flour, broth, cream, salt and pepper until smooth; pour over onions. Sprinkle with cheeses.
Bake, uncovered, at 350° for 25-30 minutes or until cheese is golden brown and mixture is bubbly.
