For this recipe you need a 25cm non-stick frying pan or a little larger.
2 medium-sized smooth potatoes (such as Desirée), peeled and thinly sliced (equates to 300g)
1 tablespoon olive oil
Knob of butter
100g chestnut mushrooms, sliced
5 medium eggs
4 teaspoons milk
2 tablespoons freshly chopped parsley