Place all of the ingredients in a large heavy bottomed pot. Bring to a simmer and allow to cook for 30 minutes or so.
Cover the pot, cool and store in the fridge.
If you are concerned about someone biting into a clove or choking on the cardamom pods, you can strain the Gløgg through some cheesecloth or a mesh strainer, but to date, we've never had an incident.
Heat up to the Gløgg to the simmering point before serving.
Garnish with fresh orange peel ribbons or orange wedges
It is best to make Gløgg a day or two ahead of time so the ingredients have time to steep and meld into each other.