Sift all-purpose flour and cornstarch in a bowl
Pour hot water and using chopsticks or small wooden spoon, stir mixture until it comes together then using your hands, form dough into a rough ball
Let dough rest, covered for 15-30 minutes
Lightly flour a work surface and knead dough for about 5-8 minutes or until it is very soft.
Form into a ball and cover with a plastic wrap or damp towel. Let dough rest for an 30 mins to an hour.
Divide dough into 16-18 equal pieces.
Sprinkle flour on your work surface (and the dough) as necessary to prevent dough from sticking.
Form each piece into a small ball then flatten to make a disc.
Cover the rest to prevent them from drying out.
Using a small rolling pin, flatten dough to 3-4 inches in diameter.
Set aside, cover and repeat with remaining dough.