Mix the dry ingredients together.
Make a small well in the center.
Pour half of the water.
Mix in a circular motion to incorporate the dough.
Add the remaining water a little at a time to form a soft dough.
Use the knuckles and base of the palm to work on the dough until it becomes smooth.
Cover and allow to rest for 15 minutes.
Place the cast iron tawa on medium heat to heat up for 10 minutes (5 minutes after covering the dough).
After the 15 minute rest time, remove the cover.
Divide the dough into 3 dough balls.
Apply liberal amounts of flour to a flat surface (chowki) and to one dough ball.
Press down the dough ball onto the floured surface.
Flip over and roll with a rolling pin.
Flip again and continue rolling to form a circular roti with a thickness of 3 millimeters or so.
Lift off the floured surface and place on the preheated tawa.
After 10 to 15 seconds, flip the roti on the tawa.
Using a cloth, rotate the roti on the tawa to ensure even heating.
After another 30 seconds to one minute, flip the roti over again.
The roti should begin to swell.
Gently push on the swollen parts to force the steam to spread throughout the roti.
If the roti hasn't swollen, pull the tawa slightly off the stove to expose the roti to the flames. Rotate the roti quickly so it does not burn in the flames.
Ensure the roti has small brown spots on both sides.
Remove from the heat.
Cut into quarters.
Place in an airtight container.
Cover tightly to trap the steam (the key to soft roti).
Continue by rolling out the remaining dough balls.
Serve the roti quarters hot with your favorite sides.