Cover cashew nuts with water and soak overnight. You can speed this process up by using boiling water – soak for at least 30 minutes.
Cook macaroni by following instructions on the packet.
Drain soaked cashews and blend all ingredients (except the pasta) until completely smooth.
Transfer to a pot and heat. You can also microwave by stirring every 30 seconds until it is hot.
Combine the drained pasta and cheese mix and serve.