Cut the beef, mushrooms, and onion into bite-sized pieces.
Heat olive oil in a pan and sauté the beef.
Add the onion and mushrooms, and cook together.
Add the rice and stir until it turns translucent.
Pour in white wine and let it reduce.
Gradually add the broth, cooking the rice slowly over medium heat.
Season with salt and pepper.
Mix in Parmesan cheese.
Plate and serve.