Preparation

Add the cardamom, cloves, cinnamon and ginger to a small saucepan and cook over medium heat for 2 minutes. Add the tea and 2 cups of the vermouth. Bring to a low boil and cook for 2 minutes. Remove from the heat and allow to cool completely. Add the remaining vermouth and strain the mixture through a cheesecloth. Bottle, and store at room temperature.