This recipe can be prepared in 45 minutes or less.

Makes about 1 cup.

INGREDIENTS

  • 2 tablespoons unsalted butter
  • 1/3 cup water or brewed coffee
  • 1/2 cup packed dark brown sugar
  • 1/2 cup unsweetened dutch-process cocoa powder
  • 1/8 teaspoon salt
  • 1/2 teaspoon vanilla

    DIRECTIONS

    Cut butter into pieces. In a heavy saucepan heat water or coffee with brown sugar over moderate heat, whisking, until sugar is dissolved. Add cocoa powder and salt, whisking until smooth. Add butter and vanilla, whisking until butter is melted. Sauce keeps, covered and chilled, 1 week. Serve sauce warm.