Cut an orange into quarters. Push 2-3 whole cloves into the outer skin of quartered oranges, as pictured above.
In a large pot, combine orange juice, sugar, cinnamon sticks, orange quarters with cloves and cranberries.
Turn the heat to medium high and slowly heat the mixture, stirring occasionally until the sugar is dissolved.
Once sugar is dissolved completely, bring it to a boil and cook until it thickened and reduced by almost half, about 15-20 minutes.
Reduce the heat to low and pour in wine.
Simmer until wine is heated through. Don’t boil, or alcohol will evaporate.
You can strain the wine and pour into a slow cooker to keep it warm. Garnish with orange slices and serve warm.