Ultimate Leftover Turkey Sandwich Yield: 4 sandwiches Ingredients: 8 slices Texas toast 4 slices Leftover Turkey Meat 1 cup Leftover Stuffing 1 cup Leftover Mashed Potatoes 1 cup Leftover Gravy Directions: Toast 2 slices of the Texas toast to a light golden brown. Spread the cold gravy on both sides as you would a condiment. Begin layering the turkey, dressing, and potatoes. Place the second piece of toast on top. Heat in microwave for 30 seconds and serve the ultimate leftover sandwich.