Ingredients

　　1/2 cup (1 stick) unsalted butter

　　2 large egg yolks

　　1 cup packed dark-brown sugar

　　1 teaspoon pure vanilla extract

　　1/4 cup good-quality bourbon

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

　　Reprinted with permission from The Martha Stewart Living Cookbook: The New Classics by Martha Stewart Living Magazine, copyright © 2007. Published by Clarkson Potter, a division of The Crown Publishing Group.Buy the full book from Amazon.