Put cinnamon sticks, cloves, allspice and cardamom seeds at bottom of container and pour coffee over the spices. Let mixture cool to room temperature, about 30 minutes. Strain into a new container and store in refrigerator. When ready to serve, pour over ice and add milk and brown sugar if desired. Serves 4 to 6
Variation: Omit the four spices and add 4 strips each of orange and lemon peel, and 8 cloves. Proceed as directed above.