Soak cashews in lukewarm water for at least an hour or even better overnight.
Wash the cauliflower and cut into larger pieces. Peel the garlic and onion, cut the onion into large pieces.
Put water in a pot, add salt and bring to a boil.
When it starts boiling, add cauliflower, garlic and onion and cook for 20-30 minutes, until it completely softens.
Meanwhile, cook pasta.
Put cooked cauliflower, garlic and onion in a blender, add all of the spices and pre-soaked cashews and blend into a smooth mixture. If necessary, add the some water in which vegetables were being cooked to get the desired density of the sauce.
Mix pasta and sauce well and serve. Sprinkle with fresh parsley if desired.
