Add mayo, chives and curry powder (see notes) and combine well
Mark and cut each sheet of puff pastry into 4 squares
Place a triangle of egg mix into one half of each square. Fold other half of pastry square over this egg to form a triangle shaped pillow. Press down along the two open sides of pillow with a fork to seal.
Line slow cooker bottom with a sheet of baking paper lightly spritzed with non stick spray.
Place pastie pillows in slow cooker in single layer and lightly brush top of each one with egg wash
Cook on HIGH for 1hr 10m total using the The Tea Towel Trick
Turn over half way during cooking and rebrush the second surface with egg wash also
Serve hot and fresh or wrap in foil for lunchboxes
Notes
The curry flavour is very subtle. Not hot for children. However if you are unsure or don't like curry flavour you can leave this out