Dr Pepper Barbecue Sauce

INGREDIENTS
1 bottle (20-oz) Dr Pepper
2 cups ketchup
1 cup brown sugar
¼ cup honey
¼ cup vinegar
2 tsp liquid aminos
1 tsp fish sauce
1 tsp chipotle chili powder
½ tsp garlic powder
½ tsp salt
¼ tsp ginger powder
¼ tsp galangal powder (or substitute an additional ¼ tsp ginger)

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DIRECTIONS
Combine all ingredients and boil until thickened.

Note: For Dr Pepper, root beer or cola may be substituted.  In place of liquid aminos and fish sauce, 1 tbsp Worcestershire sauce may be substituted.