Spiced Rum - cooking recipe

Ingredients

750 ml good dark rum
1/4 cinnamon stick
1/2 vanilla bean, split in half lengthwise
9 whole cloves
5 allspice berries
4 serrano peppers (for aesthetic purposes, if you want it spicier, add 8 serranos) or 4 jalapeno peppers, split in half, seeds removed (for aesthetic purposes, if you want it spicier, add 8 serranos)

Preparation

Put all the ingredients in the bottle of rum, you may have to remove some to make room for the solids.
Let steep a minimum of one month.
The flavor improves with age, and it keeps for years.