Cut the cauliflower into pieces according to its roses. Boil the cauliflower. Chop the onion, then sauté it in the extra virgin olive oil. Add the salted sardines and leave to flavor well. Add the boiled cauliflower, a little cooking water, saffron, raisins and pine nuts to the onion. Correct with salt and pepper and cook for a few minutes. Drain the cauliflower, keeping the cooking water to boil the pasta.
Prepare the pan with oil and breadcrumbs. Put the pasta in it. Sprinkle the breadcrumbs as if it were cheese. Bake in the oven at 180 ° for about 20 '.