Sweet ‘n’ Spicy BBQ Sauce

Ingredients

• 2 cups packed brown sugar
• 2 cups ketchup
• 1 cup water
• 1 cup cider vinegar
• 1 cup finely chopped onion
• 1 can (8 ounces) tomato sauce
• 1 cup corn syrup
• 1 cup molasses
• 1 can (6 ounces) tomato paste
• 2 tablespoons Worcestershire sauce
• 1 tablespoon garlic pepper blend
• 1 tablespoon Liquid Smoke, optional
• 1 tablespoon prepared mustard
• 1 teaspoon onion salt
• 1 teaspoon celery salt