Steps
1. In a pan, heat the olive oil and butter over medium heat.
2. Add the onions and garlic, sauté until translucent.
3. Add the mushrooms and cook until they release their juices.
4. Stir in the Arborio rice and cook for a minute.
5. Pour in the white wine and let it simmer until absorbed.
6. Gradually add the broth, stirring frequently until the rice is creamy and cooked.
7. Remove from heat, stir in Parmesan cheese, season with salt and pepper.