Ingredients

• 4 ounces applewood-smoked bacon (in one piece), cut into large chunks
• 3/4 cup beef stock or broth
• 1 1/2 cups apple cider vinegar
• 1/2 cup white vinegar
• 1/4 cup packed dark brown sugar
• 1/4 cup ketchup
• 2 teaspoons red pepper flakes
• 1 teaspoon chipotle chile powder
• Kosher salt

Instructions

1. Combine the bacon, beef stock, cider vinegar, white vinegar, brown sugar, ketchup, red pepper flakes, chile powder and 1 tablespoon salt in a medium saucepan. Bring to a boil, then reduce the heat to medium low and simmer until the bacon renders its fat, about 15 minutes. Remove from the heat; set aside to let the flavors develop, 20 minutes. Remove the bacon. Reheat the sauce before serving.
2. Photograph by Andrew Purcell