Black Bean and Chorizo Chili

INGREDIENTS

1 7 ounce can

chipotle chiles in adobo sauce

Cooking spray

2 1/2 cups

chopped onion, divided

1 1/2 cups

chopped green bell pepper

1 1/2 cups

chopped red bell pepper

garlic cloves, minced

links Spanish chorizo sausage, diced (about 6 1/2 ounces)

1 1/2 tbsp

chili powder

1 tbsp

ground cumin

1 1/2 tsp

dried oregano

1 tbsp

fresh lime juice

1/8 tsp

ground cinnamon

3 15 ounce cans

black beans, drained

3 14 ounce cans

whole peeled tomatoes, undrained and chopped

1 8 1/2 ounce can

no-salt-added whole-kernel corn, drained

1 1/2 oz

semisweet chocolate, chopped

3/4 tsp

salt

1/2 tsp

black pepper

3/4 cup

fat-free sour cream

Baked tortilla chips (optional)