Potatoes Au Gratin(Very Delicious And So Easy To Prepare)  
["1 1/2 lb. frozen hash brown potatoes", "1 c. half and half or milk", "1/4 lb. butter or margarine", "1/2 lb. American processed cheese (Velveeta)", "4 oz. sharp Cheddar cheese, grated", "4 medium baking potatoes, unpeeled", "2 Tbsp. melted margarine", "1/2 tsp. chili powder", "1/2 tsp. dried basil", "1 tsp. crushed garlic", "1 1/2 tsp. chopped fresh parsley", "1 Tbsp. grated Parmesan cheese"]
["Preheat oven to 375\u00b0.", "Spray a baking sheet or dish with nonstick vegetable spray."]
["frozen hash brown potatoes", "milk", "butter", "cheese", "Cheddar cheese", "baking potatoes", "margarine", "chili powder", "basil", "garlic", "parsley", "Parmesan cheese"]