Heat a small skillet over medium heat; add cumin seeds, black peppercorns, cinnamon sticks, cardamom seeds, bay leaves, fennel seeds, cloves, and mace. Dry-roast until fragrant, 6 to 10 minutes.
Step 2
Cool spice mixture, then add nutmeg. Grind spice mixture in a spice grinder or coffee grinder into a fine powder. Store in an airtight container.