In a 4-quart Dutch oven cook onion, garlic, black pepper, and salt in hot oil over medium heat for 4 to 6 minutes or until onion is tender. Add sweet pepper. Cook for 3 to 5 minutes or until sweet pepper is tender, stirring occasionally. Stir in broth, tomatoes, beans, and Italian seasoning. Bring to boiling; reduce heat. Simmer, uncovered, for 15 minutes.
Stir in chicken and lime juice; heat through. Ladle soup into bowls. Garnish with tortilla chips and fresh herb.
Tip: For the chicken breast, use leftover chicken or thawed frozen chicken. You can also poach your own: Simmer 12 ounces boneless chicken breast in 1½ cups water in a large covered skillet for 12 to 14 minutes or until cooked through (170°F).
Variation: To puree the soup, after Step 1, let soup cool slightly. Using an immersion blender or regular blender, puree soup until nearly smooth. Return to Dutch oven and continue with Step 2. Serve as above.