Break up the larger spices such as the cinammon, bay-leaf and mace. Put all of the spices in a sealed container and shake vigorously
When you want to use it measure out the desired amount, making sure you include at leat one piece of the larger spices. Release the cardammon seeds from their pods and discard the latter
Roast the whole spices on a dry skillet or pan over medium heat until they release their aroma without changing colour
Add the whole spices to your dish according to the recipe.
Or allow to cool for a few seconds then grind in a stone mortar-and-pestle or electtric grinder to obtain a fine powder