Preparation - Combine the first four ingredients. Spoon half the mixture into a 2 qt casserole. Sprinkle with 2/3 cup of Frenchīs onions and 1/2 cup cheese. Top with remaining potato mixture. Bake in a preheated oven at 350š for 30 minutes . Top with the remaining Frenchīs onions and cheese. Bake for 5 minutes or until the onions are golden brown. Makes 6 servings.