Heat olive oil and 1 tablespoon butter in a pan and sauté mushrooms until golden. Remove and set aside.
In the same pan cook shallot until soft then add garlic.
Stir in arborio rice and toast for 1–2 minutes.
Pour in white wine and cook until absorbed.
Add warm broth one ladle at a time stirring until absorbed before adding more.
Continue until rice is creamy and tender about 18–20 minutes.
Stir mushrooms back in with remaining butter and Parmesan.
Season with salt and pepper and garnish with parsley before serving.