Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   2      medium        red onions -- chopped 1/4" dice
   2      cups          lambrusco wine
                        (or other light bodied fruity red wine)
   1      cup           orange juice
   2      tablespoons   sugar

Preparation:

Place chopped red onions, Lambrusco, orange juice and sugar in a saucepan and place over medium-high heat. Bring to a boil, lower heat to medium and reduce until thick like marmalade, about 30 minutes. Remove from heat and allow to cool. Source: MOLTO MARIO with Mario Batali From the TV FOOD NETWORK - (Show # MB-5682)