Chipotle Barbecue Sauce

Ingredients

• 2 Tablespoons Unsalted Butter
• 1 Small Onion, finely chopped
• 2 Cloves Garlic, minced
• 1 Cup Ketchup
• 1/3 Cup Light Brown Sugar , packed
• 1 Tablespoon Worcestershire Sauce
• 1 Tablespoon Yellow Mustard
• 1/2 Teaspoon Liquid Smoke
• 1 1/2 Apple Cider Vinegar
• 2 Tablespoons Chipotle Bbq Seasoning
• 1 Teaspoon Kosher Sea Salt Flakes
• 1 Teaspoon Ground Black Peppercorns Dustless