Photo credit to Keep Recipes. Serves 12 people. cranberry or tart cherry juice (not cocktail!) cranberries cinnamon stick sugar Gala apple, peeled, cored, and diced cornstarch, arrowroot, or potato starch In a medium pot, over medium heat, add the cranberry juice, cranberries, cinnamon, and sugar. Bring to a bowl and then cook for 5 minutes. Add apples, stirring occasionally, until the cranberries and apples soften, approx. 5 more minutes. Add cornstarch and mix thoroughly. Cook for another 5 minutes. Sauce should not be too thin. Make sure the sauce reduces and thickens. Remove from the heat and remove cinnamon stick. Refrigerate for at least 30 minutes to thicken further. Enjoy!