Hash Brown Pancakes
["4 eggs, separated", "1 c. leftover mashed potatoes, packed", "1 c. milk or potato water", "1 c. flour", "1 tsp. baking powder", "1/2 tsp. sugar", "1/4 tsp. salt"]
["Beat egg yolks.", "Add potatoes and beat in with a spoon until smooth.", "Stir in milk.", "Sift dry ingredients and stir in.", "Beat egg whites until stiff and add into the rest.", "For thinner pancakes, add up to 1/2 cup more milk.", "Bake on lightly greased griddle.", "Makes about 16 pancakes.", "Very light and tender."]
["eggs", "leftover mashed potatoes", "milk", "flour", "baking powder", "sugar", "salt"]