Put Instant Pot on “saute” mode.
Add 2 TBS avocado oil.
Add carrots, celery and onions. Saute 3-5 minutes until just softened.
Add salt, garlic, turmeric, and fresh thyme or oregano.
Sute for another 30 seconds.
Add chicken broth.
Put the lid on and pressure cook for 4 minutes.
Release the pressure 10 minutes after contents have pressure cooked for the full 4 minutes.
Add the chicken and set back to “saute” for about 15 minutes to allow the chicken to soak up all the flavors of the soup and to further tenderize the chicken.
Add the riced cauliflower and keep on the “saute” mode for about 3-4 minutes.
Add the freshly squeezed lemon juice.
Taste and add salt if necessary.