Chicken Tortilla Soup

Name: Chicken Tortilla Soup
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 to 6
Ingredients: For Soup:; ¼ cup extra virgin olive oil; 4 tablespoons unsalted butter; 2 medium yellow onions, roughly chopped (about 2½ cups); 4 cloves garlic, peeled and sliced into quarters; 1 green bell pepper, seeded and roughly chopped; 3 tablespoons all-purpose flour; 6 cups chicken broth (best quality such as Swanson); 6 small (6-inch) corn tortillas, cut into small pieces; 1 tablespoon ground cumin; 2 teaspoons chili powder; ½ teaspoon salt; ¼ teaspoon cayenne pepper; Optional Additions:; 2 cups shredded cooked chicken, from a store-bought rotisserie chicken or leftovers; Sour cream, crushed tortilla chips, corn, cilantro, avocado, black beans, lime wedges