1 1/2 cups all-purpose flour
1/2 cup cornstarch
1 pinch salt
1 large egg, beaten
1/2 cup water
Sift flour, cornstarch and salt into a bowl, and make a well in the middle.
Add the egg and pour in the water.
Mix the egg and water into the flour mixture with a spoon.
When this all binds together, scrape the spoon clean, and use your hands to work the dough into a smooth ball, leaving the bowl as free of the mix as possible.
Knead the dough on a clean surface until it's very smooth.
Cut the dough in half and wrap both portions in plastic wrap.
Set aside for 15-30 minutes.
Roll out one portion at a time.
Dust work surface and rolling pin lightly with cornstarch, then roll out dough until thin and even.
Either cut into squares, or use a circle cutter for dim sum and dumplings.
Dust with cornstarch before stacking together.
Wrap with plastic wrap to keep from drying out.