Ingredients For Dough: 2 cups flour 1/4 teaspoon salt 1 egg 1 cup milk 1 teaspoon oil For Filling: 1/2 pound sharp cheese, shredded 2 cups mashed potatoes Directions Heat 3 quarts of water and 1 tablespoon of salt in large pan. Mix flour, egg, salt, milk, and oil until sticky dough emerges. Roll out dough on floured board 1/4…