Ingredients: Potatoes peeled, cut 1", Unsalted butter, Milk, Salt and pepper, Nutmeg freshly ground, Eggs, separated beaten, Fresh breadcrumbs, Vegetable oil for deep, MEAT FILLING:, Unsalted butter or veg oil, Shallot minced, Onion finely chopped, All-purpose flour, Beef stock, Salt and pepper, Beef or chicken leftovers, ...