Choice Carnaroli rice with porcini mushrooms. Make the perfect risotto in just a few simple steps: Sauté onions, add risotto mixture and steam, douse with white wine and leave to cook for around 19 to 21 minutes while continually adding bouillon. Yes, you'll notice that the whole thing is somewhat time-consuming. The effort is worth it: Flavor with just a small amount of butter, cream and Parmesan, and you will have cooked one of the finest risotto.