Home made Biryani Masala powder/Garam masala powder(Kerala Style)

Yes, this is the recipe of my biriyani masala and I use the same as my garam masala powder too.
Ingredients
Cinnaom sticks - 4, 1 inch each, break into small pieces
Cloves - 10 nos.
Cardamom - 8 nos.
Star Anise - 4
Pepper seeds - 1 teaspoon
Mace leaf - 3 nos.
Fennel seeds - 1 teaspoon

Method
Roast all the ingredients in medium flame and keep aside. Once it cools, blend it and store in an air tight container.