Mashed Potato Casserole
["5 white potatoes", "1 c. sour cream", "1 small onion, chopped", "1 c. grated Cheddar cheese (processed)", "salt", "pepper"]
["Prepare mashed potatoes with butter and milk as usual to taste.", "Add remaining ingredients and blend together with mixture. Fold into buttered casserole dish.", "Bake at 350\u00b0 for 45 minutes."]
["white potatoes", "sour cream", "onion", "Cheddar cheese", "salt", "pepper"]