Here is my recipe for basic mushroom risotto if you don't have any wild mushrooms like chanterelles or black truffles as in my Risotto with Chanterelles, Hen of Woods Mushrooms, & Black Truffles from Oregon. Take a look at my suggestions for preparing risotto in my Cooking Primer.
Reluctant Gourmet’s Tips
Mushrooms should be wiped off with a damp cloth and not washed under the faucet since they are like sponges and will absorb the water.
Check out my tips on how to sauté.