Place all ingredients in an instant pot, secure the lid, close off the pressure valve and press the Soup button and press down to 15 minutes.
Once it is done cooking, release the pressure valve with a natural release or a quick release. Once you remove the lid, use an immersion blender to blend the soup until completely smooth. Taste to see if the soup needs any extra salt or pepper.
Garnish the soup with extra basil extra and basil leaves!