1 1/2 (1-oz) squares unsweetened chocolate
1 tbsp butter
1/2 cup dark or light Karo corn syrup
1/2 cup granulated sugar
1/4 cup whipping cream
pinch of salt
1 tsp vanilla extract
In a saucepan, melt together the unsweetened chocolate and the butter. Add in the corn syrup, sugar, whipping cream, and salt. Bring to a boil and boil for one minute. Add the vanilla and stir well. Let cool and store in the refrigerator. Serve warmed or cold over ice cream.