Cornish Pasty Toyohira-style

Peel the onion and the potato and dice.

Stir-fry grated ginger and ground pork with soy sauce, mirin, sugar.

Stretch pie sheets into a circle of about 15cm.

Place a round plate upside down on them and cut the dough along the shape of the plate.

Put the potato, ground pork and the onion on the upper half of the sheets, leaving 1.5cm from the rim of cut circular dough.

Brush beaten egg to the rim of the dough and put the edges together.

Fold the dough to form a half-circle, put small holes on the surface and brush beaten egg.

Pre heat the oven to 190 and bake the dough for 1 hour.