Pre-heat oven to 160°C/fan 140°C/ gas mark 5.
In a bowl, mix Vitabite with Fate low protein all-purpose mix and egg replacer.
In a separate bowl, combine sugar and butter to a smooth and texture.
Add the Fate low protein all-purpose mix mixture to the butter and sugar and mix well.
In a separate bowl combine mint essence, water and food colouring.
Combine both mixtures and mix well to form a dough.
Cover a baking tray with greaseproof paper. Make balls of dough using a spoon then push into 1cm thick cookies on the baking tray.
Bake for 20 minutes or until golden brown, leave to cool on a cooling rack then serve.
Vitabite and Fate low protein all-purpose mix is a food for special medical purposes and must only be used under medical supervision