100 g Butter
1/2 c Castor Sugar
1 Egg white, beaten
3/4 flour
1/2 tsp Vanilla essence
Preheat oven to 190°C/375°F/Gas Mark 5. Grease a baking tray. Cream butter and caster sugar. Add egg white, a little at a time and continue to cream till all of it is used up. Add flour and mix well. Add vanilla essence and mix it in well.
Transfer the batter into a piping bag fitted with a star nozzle and pipe roundels of two centimetre diameter onto the greased baking tray. Bake in the preheated oven for fifteen minutes or till light golden on the top. Transfer onto a wire rack to cool.