Boil some water on a large sauce pan, add pasta and cook for 10min or until tender. Drain under cold water and place in serving bowl.

Boil the potatoes, onions and mushrooms together for 10min. Drain and allow to cool. Cut the potatoes, mushroom and onions to small pieces.

Add the potatoes, mushroom and onions to the pasta and mix. Add mayonnaise, cream, chopped dhania and black pepper. Mix well and serve at room temp.