Ingredients:

• 5 tablespoons butter
• 1/2 medium onion, finely chopped
• 4 finely chopped garlic cloves
• 2 cups tomato sauce or ketchup
• 1/2 cup apple juice
• 1/2 cup apple cider vinegar
• 1/2 cup brown sugar
• 3 tablespoons paprika
• 2 tablespoons chili powder
• 1 tablespoon chipotle powder, optional
• Kosher salt, to taste
• Cayenne, to taste