Heat oil in a large saucepan over medium-high heat.
Add onions and bell pepper; cook, stirring frequently, for 4 to 5 minutes, or until onion is translucent.
Add chicken; cook, stirring frequently, for 4 to 6 minutes, or until no longer pink.
Add garlic; cook, stirring frequently, for 1 minute.
Add broth, beans, cumin, chili powder, salt, pepper, and chiles. Bring to a boil. Reduce heat to medium-low; cook, stirring occasionally, for 20 to 25 minutes.
Divide chili into six serving bowls; garnish with cilantro if desired.
Recipe Notes
The Nutrition Facts box below provides estimated nutritional information for this recipe.