Roll the dough into a rectangle 12 by 16 in/30 by 41 cm. Cut the dough into twelve 4-in/10-cm squares.
Brush each square lightly with egg wash. Place 1 oz/30 g of the cherry filling at the center of each square. Fold one corner of the dough over just so it covers the filling, and press to seal. Stretch the opposite corner of dough over the first folded corner a