Directions
1. In a large skillet, heat the olive oil and butter over medium heat until the butter is melted.
2. Add the sliced mushrooms and cook for about 5-7 minutes, stirring occasionally, until they are tender and golden brown.
3. Stir in the minced garlic and cook for another minute until fragrant.
4. Pour in the heavy cream and bring to a gentle simmer. Let it cook for about 2-3 minutes until it starts to thicken.
5. Stir in the Parmesan cheese until melted and the sauce is creamy.
6. Season with salt and pepper to taste.
7. Sprinkle with fresh parsley before serving, if desired.