Add diced apples, cranberries, nutmeg, allspice and a cinnamon stick to a large pitcher.
Pour in 1 cup apple cider and the bottle of Riesling or Pinot Grigio into the pitcher and stir to combine.
Place the pitcher in the refrigerator and allow it to sit for a minimum of 6 hours but no more than 24 hours.
Before serving, add the Brut Champagne or Sparkling Wine into the pitcher, stir together and serve with an optional cinnamon sugar rim.