Flour surface area and roll out pie pastry. Cut rounds of your pie pastry. You will need one for bottom and one for top. Make a paste of lai with water and flour to seal rounds. Use a filling of choice to spoon onto center of rounds. Smear lai around rim of circle. Place on lolipop stick at one end. Close with other circle and press down with a fork. Brush egg onto pies. Sprinkle sesame seeds/dried herbs. (Freezer suitable now). Bake in preheated oven at 180degC for aprox 30min till golden and puffed.