Egg Tagliatelline with potato and black cauliflower

Clean the cauliflower, removing the tougher parts, rinse it well and slice it into strips. Peel the potatoes, rinse and chop into small chunks. Bring to the boil a large pan of salted water and toss the cauliflower in, cook for 10 minutes then add the pasta.Once cooked, drain it al dente with the vegetables, pour it in a serving dish, sprinkle with olive oil and sprinkle it with grated parmesan and serve warm.