Ingredients:
4 stalks celery (white part only), sliced very finely on the diagonal
100g/31/2oz Parmesan cheese, finely sliced
6 porcini, cleaned and very finely sliced
Sea-salt
Freshly ground black pepper
A few drops of lemon juice
1tbsp extra-virgin olive oil
1tsp finely chopped curly parsley
1tbsp walnut oil

Directions:
Place the finely sliced celery, Parmesan and porcini into a bowl and season lightly with salt and pepper. Squeeze over the lemon juice and drizzle over the olive oil. Toss lightly with your fingers. Divide among four plates. Sprinkle with the parsley and gently spoon over the walnut oil. Serve immediately.

Makes four servings.