Serves: makes about 1 2/3 cup

Ingredients:

• 1 tablespoon grapeseed oil
• 1 small onion, minced
• 2 garlic cloves, peeled and crushed
• 1/2 cup cider vinegar
• 1 tablespoon tomato paste
• 1 tablespoon Worcestershire sauce
• 1 canned chipotle chile pepper in adobo sauce
• 2 teaspoons kosher salt
• 1 12-ounce bottle coffee porter

Instructions:

Heat the oil in a large saucepan over medium heat. Add the onion and cook, stirring occasionally, until tender, about 3 minutes. Stir in the garlic and cook 15 seconds. Add the vinegar, tomato paste, Worcestershire sauce, chipotle and salt. Cook until thickened, about 3 minutes. Add the beer, bring to a boil and cook 5 minutes. Let cool.