2 tablespoons unsalted butter |
1/2 cup finely diced onion |
2 cloves garlic, finely diced |
6 plum tomatoes, coarsely chopped |
1/4 cup ketchup |
1/4 cup water |
2 tablespoons dijon mustard |
2 tablespoons dark brown sugar |
3 tablespoons molasses |
2 tablespoons tamarind concentrate |
1 teaspoon cayenne |
1 tablespoon ancho chile powder |
1 tablespoon paprika |
1 tablespoon worcestershire sauce |
4 bone in chicken breasts |
4 chicken thighs |
vegetable oil |
salt and freshly ground pepper to taste |