Heat oven to 200c/fan 180c/gas 6. roll out a 375g pack of ready-rolled puff pastry a little more to make it into a square shape. cut into 4 squares, then cut each one in half so you have 8 rectangles. Place 4 of them onto a baking sheet, brush the edges with beaten egg and place a quarter of the filling down the centre of each. Top with the remaining pastry, then pinch the edges together to seal. brush with more egg, then bake for 20 minutes until puffed and golden. Serve with a spoonful of chutney.