Chipotle Beef Chili

Heat oil in a large heavy saucepan or Dutch oven over medium heat; add onion. Reduce heat to low, and cook, stirring occasionally, 10 minutes or until tender. Add bell pepper, and cook 5 minutes. Add chipotle pepper and garlic; cook about 1 minute. Add beef and next 5 ingredients. Stir in beer, and simmer about 2 minutes. Stir in Worcestershire sauce and next 4 ingredients. Bring to a low boil, and reduce heat to low. Simmer, uncovered, 30 minutes. Add beans, stir, and continue to simmer 10 minutes or until liquid has reduced slightly. Remove bay leaf. Garnish, if desired.