Peanut butter sauce

This along with hot fudge with make the best ice cream peanut buster parfait ever. This recipe comes from Epicurious.

PEANUT BUTTER SAUCE

INGREDIENTS

1/4 cup brown sugar

2 T corn syrup

2 T unsalted butter

1/2 cup smooth peanut butter

1/2 cup cream

1 1/2 tsp vanilla

In a small heavy saucepan combine the brown sugar, the corn syrup, and the butter and bring the mixture to a boil, stirring until the sugar is dissolves. Add the peanut butter, whisking and whisk the mixture until it is smooth. Whisk in the cream and the vanilla, simmer the sauce for 2 minutes, and thin it to the desired consistency with hot water. Serve the sauce warm. The sauce keeps chilled for 2 months. Makes about 1 1/2 cups.