Bring it up to a boil. Add water if you want a thinner consistency/add cornflour if you want a thicker consistency.
Serve with your favorite dessert or fruits.
Tips & Trix
If you want a sauce that fits more to savory dishes, then before step one add 50/50 stock + redwine and reduce the liquid before continuing with the other steps. Then add the sugar, syrup and heavy cream slowly and taste so it doesn't get to sweet!