the best barbecue sauce

Ingredients For the best barbecue sauce

• 2 c

  heinz katsup
• 2 c

  tomato sauce
• 1 1/4 c

  light brown sugar
• 1 1/4 c

  red wine vinegar
• 1/2 c

  unsulphured molasses
• 2 Tbsp

  butter, cut into small pieces
• 4 tsp

  hickory flavored liquid smoke
• 1/2 tsp

  onion powder
• 1/2 tsp

  garlic powder
• 1/4 tsp

  chili powder
• 1 tsp

  paprika
• 1/2 tsp

  celery seed
• 1/4 tsp

  cayenne pepper
• 1 tsp

  salt
• 1 tsp

  coarsely ground pepper