Step 1

Place all the spices in a hot skillet, and roast for 2-3 minutes over a medium-high heat, until they start to give off their perfume.

Step 2

Transfer to a mixie, or a spice or coffee grinder, and blitz until you have a fine powder.

Step 3

Stored in an airtight jar, out of direct sunlight, this will keep for a month or so.