Chipotle Braised Lamb Tacos with Balsamic-Soaked Raisins

INGREDIENTS

• 1 tablespoon vinegar (white or cider)
• 1/8 teaspoon allspice
• 1 onion, chopped
• 1 teaspoon lemon or lime juice
• 2 tablespoons raisins
• Lime juice to taste (1/2 to 1 lime)
• 1 tablespoon orange or tangerine juice
• 3 tablespoons chopped white onion
• 3 bay leaves
• 2 tablespoons ground annato seed
• 3 cloves garlic, crushed
• 1/2 teaspoon lemon or lime zest
• 1/3 cup green olives, chopped
• 1 tablespoon adobo sauce from canned chipotles
• 1/8 teaspoon cloves
• 3 cups vegetable broth
• 3 tablespoons cilantro, chopped
• 1/2 teaspoon cumin
• 1 pound lamb stew meat, in 2-inch pieces
• 6 corn tortillas
• 1/2 teaspoon pepper
• Sour cream
• 2 chipotles in adobo
• 1/2 cup balsamic vinegar
• 1 teaspoon salt