Dry sauté onion 2 min and add garlic and dry herbs for one more minute. (Keep water nearby to prevent sticking, splash in as needed).
Add tomatoes, cashews and purée and stir. Cover, bring to a boil and simmer for 20 min. Stirring occasionally.
Once done, add nutritional yeast and blend the soup in a strong blender such as a Vitamix or Ninja. If you do not have a strong blender let the soup cool down for about 30 minutes before blending so not to blow the top off the blender.
Roll 8-10 leaves of basil, slice thin and add to soup, stir and enjoy!
Serve with a nice whole grain toasted bread.
INSTANT POT: Instructions as above but set the pot on manual 5 minutes, manual release when the time is up and blend as above.