Blueberry Barbecue and Grilling Sauce
rec.food.cooking/Sandy Miller

1 cup blueberries, fresh or frozen
1 cup ketchup
1/4 cup water
1/2 cup chopped onion
1/4 cup brown sugar
1/4 cup blueberry or cider vinegar
2 Tbsp unsulphured blackstrap molasses
2 Tbsp dijon mustard
3 cloves garlic, minced
1 tsp ground cumin
1 tsp ground thyme
1 tsp ground marjoram
1 jalapeno pepper, seeded and chopped

Combine all ingredients in a medium saucepan. Bring to a boil, reduce heat and simmer one hour, stirring occasionally. Cool slightly. Puree in processor or blender until smooth. Season to taste with salt and pepper.