Potato Casserole
["10 Irish potatoes", "1 medium onion, grated", "1 (16 oz.) carton sour cream", "1/2 c. butter, melted", "3/4 lb. Cheddar cheese, shredded and divided", "1 tsp. salt", "1/2 tsp. pepper"]
["Preheat oven to 300\u00b0.", "In a heavy saucepan boil the potatoes until done.", "Drain; allow to cool.", "Remove skins.", "In mixing bowl, grate potatoes; add onion, sour cream, butter, 2 cups cheese, salt and pepper. Pour into a buttered 13 x 9 x 2-inch Pyrex dish; top with 1 cup cheese.", "Bake at 300\u00b0 for 30 minutes, or until bubbly."]
["potatoes", "onion", "sour cream", "butter", "Cheddar cheese", "salt", "pepper"]