In a medium bowl, combine all ingredients very well. Sift to remove any lumps (optional).
Store in a mason jar with a lid or another air-tight container.
Notes
To make a bulk batch (makes about ½ cup (8 tablespoons):3 tablespoons cinnamon3 tablespoons ground nutmeg2 tablespoons ground allspiceTo make a bulk batch (makes about ¾ cup (13 tablespoons):⅓ cup cinnamon⅓ cup ground nutmeg¼ cup ground allspiceTo make a bulk batch (makes about 1 cup (16 tablespoons):6 tablespoons cinnamon6 tablespoons ground nutmeg4 tablespoons ground allspice