Combine coriander seeds, cumin seeds, mustard seeds, anise seeds, fenugreek seeds, and allspice berries in a skillet over medium heat; toast until fragrant and spice colors slightly darken, about 10 minutes. Remove spices from the skillet; cool to room temperature.
Add spices and turmeric to a spice grinder; process until ground. Store in an airtight container at room temperature.
