Burnt Honey Barbecue Sauce

Name: Burnt Honey Barbecue Sauce
Ingredients: 1 tablespoon unsalted butter; 1 cup finely chopped yellow onion (from 1 [10-ounce] onion); 1 tablespoon finely chopped garlic (from 3 garlic cloves); 1 cup apple cider; 1/4 cup tomato paste; 1 tablespoon Worcestershire sauce; 1 tablespoon dark chili powder; 1 tablespoon Dijon mustard; 1 tablespoon fresh lemon juice (from 1 lemon); 1 tablespoon apple cider vinegar; 1 teaspoon black pepper; 1 teaspoon kosher salt; 1/4 teaspoon cayenne pepper; 1/2 cup honey