Cook macaroni “al dente” in a large pot with salt water according to package direction, drain and set aside.
In a large saucepan add potatoes, carrots, and onions.
Pour in 8.5 fl. oz./ 250 ml water and add 2 teaspoons salt.
Bring to boiling point and let it simmer for 10 minutes.
Place vegetables in your high-speed blender or food processor together with half of the cooking water along with the remaining ingredients (cashews, garlic, yeast flakes, lemon juice, salt, pepper, chili)
Blend until smooth.
Add macaroni to saucepan and toss to coat with the vegan sauce.