Cut the cauliflower into pieces and steam until cooked, place them in a large pot and mash them roughly.
Season with pepper and salt and stir in the sour cream.
Cook the chipolatas in a lump of butter until done, keep on a plate, drain the fat, and in the same pan, cook the oyster mushrooms, seasoning with pepper and salt.
Cook the pasta in a large pot of boiling salted water, then drain.
Mix the pasta with the cauliflower using a ladle of the cooking water, add some of the cheese, mix well, and pour into your nicest dish.
Top with the chipolata and oyster mushrooms.
Finely chop the endive, rinse under cold water.
Tips
Chipolatas are a nice extra in this dish, but safely leave them away, there are already great fiber and 3 different vegetables. If you have left, warm up next day and serve with an extra salad, will certainly taste.