Black Bean and Chorizo Chili

Ingredients

• 2 tablespoons oil
• 2 canned chipotle chilies in adobo sauce, drained and finely chopped
• 1 ¾ cups chopped onion
• 1 ½ cups chopped green bell pepper
• 1 ½ cups chopped red bell pepper
• 5 cloves garlic, minced
• 3 links Spanish chorizo sausage, sliced (about 6 ½ ounces)
• 1 ½ tablespoons chili powder
• 1 tablespoon ground cumin
• 1 ½ teaspoons dried oregano
• 1 tablespoon fresh lime juice
• ⅛ teaspoon cinnamon
• 3 (15-ounce) cans black beans, drained
• 3 (14-ounce) cans diced tomatoes, undrained
• 1 (8 ½-ounce) can whole kernel corn, drained (or use fresh corn, 1 or 2 cobs)
• 1 ½ ounces semisweet chocolate, chopped
• ¾ teaspoon salt
• ½ teaspoon pepper