Heat a frying pan on medium heat and dry roast the cumin, coriander, fennel and cinnamon stick for about 2-3 minutes until fragrant. Do not let them burn.
Leave the cooked spices to cool down completely, otherwise they'll create moisture in you final product and reduce the shelf life drastically.
Place the whole ingredients into a good spice or coffee mill and blitz to a fine powder.
Add the paprika and pulse to mix thoroughly or you can do this in the final bowl.
Store in a dry, clean jar and keep, tightly sealed, in a cool place along with your other spices. Should last for about 6 months but as with any other spices, its potency will decrease with age.