Soak cashews is boiling water for about 10 minutes.
Drain and place into a blender along with the almond milk, nutritional yeast, mustard, vinegar and a pinch of salt. Pulse until creamy. Add more milk if you need to reach the desired consistency.
Cook the pasta according to instructions on the pack. Once cooked drain, reserving a little of the water, and place back into the pan over medium heat.
Stir the sauce throuhg the pasta and heat through before serving. You may want to add a little of the reserved pasta water to thicken the sauce.
Sprinkle some Black Maldon Salt on top and enjoy!