Place diced onion, jalapeno and garlic in the bottom of a slow cooker.
2. Step
Place the chicken breasts on top of the veggies.
3. Step
Add all canned ingredients and seasonings to the chicken in the slow cooker. Top with the chicken stock.
4. Step
Set slow cooker to high and cook for 3 hours.
5. Step
Fill a large pot ⅔ full with vegetable oil and heat until it reaches 350°F (180°C).
6. Step
Carefully place the tortilla on top of the oil and gently press the tortilla down with a ladle. Fry tortilla until golden brown. Drain on a cooling rack.
7. Step
When soup is done, remove chicken and dice it on a cutting board. Return diced chicken to the soup.
8. Step
Place fried tortilla bowl in a soup bowl and fill it with the soup.
9. Step
Top it off with cheese, avocado, cilantro and garnish with a lime wedge.