Makes 1 1/2 cups.

INGREDIENTS

  • 4cups apple cider
  • 1vanilla bean, split lengthwise
  • 1/2cup (packed) dark brown sugar
  • 1/4cup (1/2 stick) unsalted butter

    DIRECTIONS

    Place cider in heavy large skillet. Scrape in seeds from vanilla bean; add bean. Boil cider mixture until reduced to 2 cups, about 15 minutes. Add sugar and butter. Cook until sauce thickens slightly and is reduced to 1 1/2 cups, stirring occasionally, about 6 minutes longer. (Can be made 3 days ahead. Transfer to small bowl. Cover; chill. Remove vanilla bean before using.)