Using a slotted spoon, transfer the chicken to a slow cooker. Roughly mash half of the beans with a potato masher, add to the chicken and stir well. Add the onion, parsnip, celery, carrots ...
To serve, spoon the chicken into warmed mini tortillas along with soured cream and fresh coriander. Serve with lime wedges for squeezing. If you are short on time, switch your slow cooker to high ...