Combine all the spice ingredients in a bowl. Whisk until thoroughly mixed.
Transfer the spice blend to an airtight container. Store in a cool, dry place.
Use 1-2 teaspoons in your favorite pumpkin pie or other fall recipes.
Notes
This homemade pumpkin pie spice blend is very versatile. You can adjust the ratios of the spices to suit your personal preference. For a more complex flavor, consider adding a small amount of ground cloves or cardamom.