1. Heat the olive oil in a frying pan. Add in the onion and fry until golden. 2. Add in the mushrooms and fry for 2 minutes until just tender. Season with salt and freshly ground pepper and allow to cool. 3. Mix together the mushrooms and Parmesan and place in a large shallow dish. 4. Cover the mushroom mixture with 75% olive oil and 25% extra-virgin olive oil. Leave to marinate for at least 24 hours. 5. Serve. ---------------------------------------------------------------------------
Nutrition
Ingredients