1. Heat the oil in a large, heavy saucepan over medium heat. Add the onion and fry for 5 minutes or until golden, stirring occasionally. Add the rice and stir for 2 minutes.

2. Gradually add the stock, about ½ cup at a time, stirring constantly, waiting until it is absorbed before adding more. Continue in this manner for 25 minutes or until the rice is barely tender and has a creamy consistency, adding water if the stock has run out.

3. Meanwhile, melt the butter in a pan over a medium heat. Add the mushrooms and cook, stirring frequently, for 10 minutes or until the mushrooms have browned and the liquid evaporates.

4. Stir the mushrooms into the rice and turn off remove from the heat. Stir in the cheese and serve immediately.

Variation: Porcini Mushroom Risotto

Cover ¾ oz (20g) dried porcini mushrooms with boiling water and let stand for 20 minutes, Strain through cheesecloth, stirring the soaking liquid into the vegetable stock. Use in addition to or in place of the cremini mushrooms. (Do not sautè the soaked dried mushrooms.)