In your soup pot heat the olive oil over medium heat. Sauté the onion, garlic and jalapeno for 5 minutes until soften, stirring from time to time.
Add the crushed tomatoes, vegetable stock, ground cumin, chili powder and oregano, and give a quick stir.
Add the chicken breasts.
Bring to a boil then reduce heat to low. Simmer for about 20 minutes until the chicken is cooked through.
Remove the chicken from the pot and shred it into bite size pieces.
Add the corn, beans and shredded chicken to the soup, stir and simmer for 5 minutes more.
Season with salt and pepper.
Serve soup into bowls and top with tortilla strips, sour cream, jalapeno slices, lime wedges, and sliced avocado. Enjoy!