How to make Cinnamon Powder at home?

Cinnamon is available in the market, in both rolled bark form or in powdered form. As Cinnamon powder tends to loose its flavour very easily, it is better to powder it at home in small quantities and store them.

How to grind cinnamon powder?
Break cinnamon to small pieces. Roast whole cinnamon in a dry pan. When cold grind it to a fine powder. Use small mixie jar to grind it. But it is better to grind it in a mortar or a pestle.

Cinnamon powder is used in marinades, stews, soups, cakes etc.