In a 3-½- or 4-quart slow cooker stir together the drained beans, chicken, onion, sweet pepper, jalapeño pepper, garlic, cumin, salt, and oregano. Stir in chicken broth.
Cover and cook on low-heat setting for 8 to 10 hours or on high-heat setting for 4 to 5 hours. If desired, top each serving with shredded cheese and broken tortilla chips. Makes 6 servings.
