2tsp Cardamom Seeds
2tbsp Coriander Seeds
1tbsp Cumin Seeds
1tbsp Brown Mustard Seeds
2tbsp Black Peppercorns
20 Cloves
1 dried Arbol Chile, stemmed, seeded and crumbled
1 Cinnamon Stick
1tsp Grated Nutmeg

Combine everything except the nutmeg in a skillet over a medium/high heat.
Cook moving constantly until you smell the cumin.
Move to a plate and spread out to cool.
Add the spices and the nutmeg into a grinder.
Process to a powder.

Store in an airtight container for up to 1 month.