Cheese-Puffed Potato Casserole
["4 eggs, separated", "4 cups well seasoned, mashed potatoes", "1/2 block butter", "1 cup shredded cheddar cheese", "2 to 3 tsp. finely chopped onion", "2 to 3 tsp. finely chopped green pepper", "salt and garlic salt to taste", "milk (enough to get the right consistency)"]
["Beat egg yolks with mashed potatoes until well blended.", "Stir in cheese and seasonings.", "Before baking, beat egg whites until stiff and fold into potato mixture.", "Spoon into a greased casserole.", "Sprinkle with paprika and bake at 375 degrees for 25 minutes.", "Serves about 6."]
["eggs", "well", "butter", "cheddar cheese", "onion", "green pepper", "salt", "milk"]