Start a large InstantPot on SAUTE mode and add some olive oil
Add the shallots, ginger, garlic and parsley and give it a spin
Turn heat to MANUAL
Add celery, cabbage, potato and the vegetable stock or water;Add Salt
Put it to cook for 8 minutes
Once done, open the InstantPot and let it cool down for a few minutes
Using an Immersion Blender, carefully blend in the pot to a smooth consistency
Now add the oat milk and lentils and put it back to cook for 5 minutes
Once done, soup is ready to be served. Add fresh cracked pepper if preferred.