Onions Au Gratin
["6 medium yellow onions", "1/2 c. beef broth (low salt)", "2 Tbsp. flour", "1/8 tsp. pepper", "1/4 c. butter or margarine", "1/2 c. whipping cream", "1/2 c. Swiss cheese, shredded", "1/2 c. grated Parmesan cheese"]
["Slice onions into 1/2-inch thick rings.", "Saut in butter until tender.", "Place in greased 8-inch square baking dish.", "In a bowl, stir the broth, cream, flour and pepper until smooth.", "Pour over onions.", "Sprinkle with the cheeses.", "Bake, uncovered, at 350\u00b0 for approximately 30 minutes or until cheese is golden brown and mixture is bubbly.", "Makes approximately 8 servings."]
["yellow onions", "beef broth", "flour", "pepper", "butter", "whipping cream", "Swiss cheese", "Parmesan cheese"]