Mashed Potato Casserole
["1 qt. mashed potatoes (about 12 large potatoes)", "1 large (16 oz.) sour cream", "8 oz. cream cheese", "4 Tbsp. butter", "1/2 tsp. garlic salt", "salt and pepper to taste", "1 c. grated Colby cheese"]
["Peel and cut up potatoes.", "Cook until tender.", "Mash the potatoes.", "Add butter, sour cream, cream cheese, salt and pepper. Mix well.", "Put in a 9 x 13-inch greased baking dish.", "Sprinkle the shredded cheese on top and bake at 350\u00b0 for 30 minutes."]
["mashed potatoes", "sour cream", "cream cheese", "butter", "garlic salt", "salt", "Colby cheese"]