Soak cashews in boiling water for at least 30 minutes.
Blend all ingredients in a high speed blender until smooth.
Cook spaghetti as preferred (I like mine very al’dente)
Strain spaghetti and combine sauce with pasta.
Serve, add pepper to taste.
Notes
If there are any leftovers, store in a Tupperware in the fridge for up to 4 days.Reheat them in a pan with a little water and olive oil. Serve and add pepper to taste.