Ingredients

1 cup pure maple syrup

1/2 cup sherry-wine vinegar

1 vanilla bean, scraped

1 star anise

4 black peppercorns

1 dried bay leaf

Preparation

Place all ingredients in a medium saucepan over medium heat. Bring to a boil, then reduce heat to a simmer; cook until mixture coats the back of a spoon, about 10 minutes. Strain mixture through a fine mesh sieve, discarding any solids, and keep warm until ready to use.