This homemade spice mixture is much darker and more flavorful than commercial varieties. Toasting the spices is a crucial step that gives the masala a deep, roasted flavor. Cardamom pods are available at Middle Eastern and Indian markets.
Place the first 6 ingredients in a large skillet over medium-high heat; cook until spices smoke, becoming fragrant and turning dark, shaking pan constantly (about 5 minutes). Stir in nutmeg. Remove from heat; cool completely. Place spice mixture in a spice or coffee grinder; process until finely ground. Store in an airtight container.