In a bowl add room tempreture,butter,& sugar.mix it.

Add egg beat it.

Now add maida, cornflour,mix it.

Add chocochip, mix it.

Now make balls from this dough.make small balls.

Keep it in the freez for 30 mins.

Now take it out from the freez.

Keep it in the preheated oven at 160 c for 15 mins.

Now take it out from the oven,keep it 10 mins in the tray,than transfer it in the cooling racks keep it 2,3,hrs.

Than you can use this.ready to serve.