Sopa de tortilla, or tortilla soup has all the Mexican flavors you love, in a soup. A base of chicken broth and tomatoes is embellished with chili, shredded chicken, avocado, crispy strips of tortilla, and fresh cilantro. It is often served with a dollop of sour cream or a wedge of lime. This soup is a great twist on chicken soup and can be easily varied to suit your taste. It's also extremely easy and quick to make.