BOURBON SAUCE (1-1/4 cups)

½ cup (1 stick) unsalted butter

2 large eggs

1 cup packed dark brown sugar

1 teaspoon pure vanilla extract

¼ cup good-quality bourbon

1. Put butter, egg yolks, brown sugar, vanilla and bourbon in a heatproof bowl set over a pan of simmering water. Cook, whisking constantly, until mixture registers 160* on a candy thermometer, about 7 minutes.

from Martha Stewart Living