Add butter and sugar in a mixer and mix very well.

Add flour little by little and keep mixing. Mould the dough very well using ur hands. Wrap in a cling fin keep in the fridge for 1 hour. After an hour use a roller,roll very well and cut as desired using a knife or cookie cutter. Bake for 25 to 30mins.

Add egg nd continue mixing, add vanilla extract nd colour.