Take a bowl and add butter and sugar. Mix well. Beat still it becomes smooth.

Now stir maida baking soda and cocco powder.

Add in butter and sugar mixture mix well. And if needed add milk.

Now add 1 spoon sesame seeds. And make a dough of cookies.

Make a cookies shape and cover with sesame seeds.

Take a baking tray and bake the cookies on 180° for 20 mins.