Painted sugar biscuits

Instructions

1. Sift the icing sugar through a very fine sieve.
2. Beat the egg white in a small bowl with a mixer until barely frothy. Add icing sugar 1 tablespoon at a time. Once it reaches firm peaks, use a wooden spoon to beat in the lemon juice. Add just enough water to the icing until it is spreadable and has a coating consistency.
3. Place the biscuits on a wire rack over a tray. Spread the icing over the biscuits until covered. Leave to stand for 1 – 2 hours or until dry. If the icing is too thin, apply a second coat.
4. Put a little of each food colouring onto a shallow dish or plate. Dip a clean paintbrush into water and then dip into the desired colour and decorate the biscuits (for best results use a fairly dry brush). Leave to stand for 1 hour or until dry.