Place the first 5 ingredients (through ginger) on a 5-inch-square of double layer of cheesecloth. Gather the edges of the cheesecloth together and tie securely.
Place the cheesecloth bag, cider, jelly, and nutmeg in a slow cooker (or a pot on the stove). Cover and cook on HIGH for 4 hours (simmer on low if on the stove). Remove and discard the cheesecloth bag.