Reuben RollsBy Ginny's TeamReuben rolls made with sauerkraut is a great way to use up leftovers. Have leftover cabbage? Make a quick sauerkraut by chopping the cabbage finely, sautéing until wilted, and then tossing with the following ingredients: two tablespoons cider vinegar, 1/4 teaspoon of salt, 1/4 teaspoon of brown sugar, and a sprinkle of dried mustard. Reuben rolls also use corned beef, potatoes, and onions--all staples that can find a great second life as delicious leftovers! The other key to this reuben rolls recipe? An easy to use deep fryer! You'll want to heat yours to 375°F for a delicious deep fry. Reuben Roll upgrade tip: Looking for a little extra crisp in these tasty rolls? Add tortilla or wonton strips in the mix for some added crunch.