Clean chanterelles and cut large mushrooms in half if necessary. Clean, wash and cut spring onions into rings. Peel, wash and chop the potatoes (size approx. 1 cm).
Heat the oil in a wide flat pot. Fry the bacon until crispy. Add chanterelles and fry for 1-2 minutes. Stir in spring onions and potatoes. Season with pepper.
Pour in wine and 300 ml water, bring to the boil and stir in the stock. Cover and simmer for about 10 minutes. Clean, wash and possibly pluck rocket a little smaller.
Melt half of the Parmesan cheese in the potato risotto. Season to taste with salt and pepper, fold in the rocket. Serve immediately. Sprinkle with the rest of the parmesan.