Spicy Black Bean Soup

INGREDIENTS

• Kosher salt and freshly ground black pepper
• 1 canned chipotle chile plus 1 tablespoon adobo sauce
• 4 cups chicken broth
• 2 tablespoons olive oil
• 1/2 jalapeno, seeded and diced
• 3 cloves garlic, finely chopped
• 1 teaspoon ground cumin
• Juice of 1/2 a lime
• 1 (4-ounce) dry-cured chorizo sausage, chopped
• Sliced green onions, for serving
• 3 (15-ounce) cans black beans, drained and rinsed
• 1/2 onion, finely chopped
• 1/2 cup lowfat sour cream