- In a bowl add butter, powder sugar mix it well add milk mix it. Take another bowl add all purpose flour, custard powder, milk powder, cardamom powder, salt, baking powder mix all of these, In this mixture Add the butter and sugar powder and mix it well like a dough. Roll the dough into a thick sheet. Cut them into round shape and arrange the biscuits on the greased tray. Pour the milk and saffron mixture on top of this. Bake them at 180c for 15 minutes. Let them cool and store.