Place the cinnamon sticks, nutmeg, whole cloves, and ginger in a piece of cheesecloth, and tie off with a kitchen twine. Set aside.
3 to 4 cinnamon sticks, 1 whole nutmeg, 1 tablespoon whole clove, ½ inch fresh ginger
Place the apples and oranges into a 7-quart (or larger) slow cooker. Add the cheesecloth with spices, and pour in the water.
10 to 12 apples, 2 navel oranges, 1 gallon water
Cook on low for 6-7 hours or high for 3-4 hours. Use a potato masher to carefully mash the fruits, then cook for an additional 30 minutes to an hour.
Pour the cider through a mesh strainer into a heat-safe container. Double strain if desired. Discard the solid pieces and spices.
Serve warm.
Scroll up and see the post for tips, FAQs, and storage information. See the section labeled "Alternate Method: Stovetop" for stovetop cooking directions.