2 tbsp extra virgin olive oil
1 onion, finely chopped
2 small garlic cloves, finely chopped
50g dried porcini mushrooms
50g shiitake mushrooms
200g pack chestnut mushrooms, chopped
300g risotto rice, such as arborio
175ml glass white wine
25g butter
Handful parsley leaves, finely chopped
50g Grana Padano, freshly grated