Measure and add flour to a siever,then add baking powder and salt.

Sieve it well for even mixing

Now in another mixing bowl,add butter and powdered sugar

Whisk it well until creamy, I used electric handmixer.Then add an egg.

Whisk it for a minute,then addvanilla essence or any essence of your choice.

Now add flour mixture,combine and gather to form a soft dough.

Now your basic cookie dough is ready.Cling wrap it and refrigerate.