Peanut-Chipotle Barbecue Sauce

Grrrrrgh!
Course : BBQ Sauce
From: HungryMonster.com
Serves: 1
 

Ingredients:

2 tablespoons unsalted butter
1/2 cup finely diced onion
2 cloves garlic -- finely diced
6 medium plum tomatoes -- coarsely chopped
1/4 cup ketchup
2 tablespoons Dijon mustard
2 tablespoons dark brown sugar
2 tablespoons honey
1 teaspoon cayenne
1 tablespoon ancho chile powder
1 tablespoon paprika
1 tablespoon Worcestershire sauce
1/2 cup smooth peanut butter
1/4 cup soy sauce
1 tablespoon rice wine vinegar
1 tablespoon pureed canned chipotle
 

Preparation:

In a large saucepan, over medium high heat, heat the butter and sweat the onion and garlic until translucent. Add the tomatoes and simmer for 15 minutes. Add the next 8 ingredients and continue cooking for 20 minutes. Puree the mixture in a food processor, pour into a bowl and whisk in the peanut butter, soy sauce, vinegar and chipotle.