1. Heat oil in a large Dutch oven over medium-high heat. Add onion and bell peppers to pan; sauté 10 minutes or until vegetables are tender. Add chili powder and garlic to pan; cook 1 minute, stirring constantly. Add broth and beer, scraping pan to loosen browned bits. Add chipotle, beans, and tomatoes to pan; simmer 40 minutes or until thick. Stir in salt. Sprinkle each serving with cheese.