Cook the potatoes

• Peel the potatoes and boil them in salted water until fork tender.
• Drain and mash them while still hot.

Make the potato dough

• Mix the mashed potatoes with the potato starch and salt until a smooth dough forms.
• Let the dough rest while preparing the filling.

Prepare the beef filling

• Brown the ground beef in a frying pan.
• Add the onion, garlic and black pepper and cook until softened.
• Let the filling cool slightly, then stir in the grated mozzarella.

Shape the pockets

• Divide the potato dough into portions and flatten each into a disc.
• Place some beef and cheese filling in the centre and seal the edges well.

Fry the pockets

• Heat the oil in a pot and fry the pockets until golden brown on both sides.
• Drain on paper towels and serve warm.