In your Instant Pot, push Saute and add the butter, carrots, celery and onion and cook for 2-3 minutes.
Cut the persimmons in half horizontally, scoop out the pulp.
Add the persimmons, sweet potatoes, and vegetable stock to the instant pot and close the lid. Turn the valve closed, and set the timer for manual (high) for 6 minutes. Allow the pressure to release naturally for 10 minutes once done, then release the rest naturally.
Use your immersion blender to puree then return to the Instant Pot and stir i salt and pepper - to taste. If you are using a regular blender, puree in batches and return to the pot.
Season with salt and pepper, to taste, and add turmeric and ginger. Stir will, and ladle into bowls - garnish with parsley or sliced almonds.