Add butter,vanilla essence and powdered sugar in a bowl and cream it well .
Then take powdered pista,maida and corn flour add to the creamed mixture and mix well.
Now add milk and bring to a squeeze consistency.
Pre-heat oven at 170 degrees for 10 minutes.
Take a piping bag with a simple hole fill up the mixture.
Squeeze to desired shapes on a butter paper layered baking tray.
Bake it for 12-15 minutes.
Take out and cool.
Notes
If you don't want to be squeezed don't add more milk add only enough to make into a dough and cut into shapes or no milk.
As I have not powdered finely so I have not used nozzles.
Oven temperatures differs from oven to oven.