Cook the potatoes

• Peel the potatoes and boil them in salted water until tender.
• Drain well and let the steam escape for a few minutes.

Make the potato mixture

• Mash the potatoes until smooth.
• Add the cornstarch, Parmesan, parsley, salt and pepper and mix into a firm dough.

Shape the balls

• With damp hands, roll the mixture into small balls of equal size.

Fry until crispy

• Heat the frying oil to about 175 °C.
• Fry the potato balls in batches until golden and crispy, then drain on paper towels.