1/3 c. tomato based chili sauce or ketchup
2 tbsp. packed brown sugar
1 tbsp. vegetable oil
1 tbsp. shoyu
2 tsp. cider vinegar
1/2 tsp. spicy brown mustard
1/2 tsp. ground ginger
1/2 tsp. bottled liquid smoke (optional)

Mix all ingredients in a small bowl.