Place all ingredients except beans, chopped onion, and chicken in a large blender and blend 1 minute or until pureed
Pour soup base into 5 quart stockpot over medium-high heat. Add the beans, chopped onion and chicken. Bring to a low boil over medium-high heat. Decrease heat to low and simmer 20 minutes to infuse the flavors
Remove from heat. Ladle desired amount of soup in serving bowl. Top with desired amount of tortilla strips and toppings of choice. Store leftovers in an airtight container in the refrigerator up to 1 week
Notes
The nutritional value is based on the soup only. The nutritional value may vary depending on brand and amount of tortilla chips/strips used.