chocolate glaze

1 cup bittersweet chocolate pieces

4 Tbs unsalted butter

1 Tbs corn syrup

1/2 tsp vanilla extract

place the chocolate, butter and corn syrup in a microwave safe bowl.  cook in the microwave for 30 seconds. remove and stir. if it needs more time, do it in 5 second intervals.  do not let it overheat.  stir in vanilla.