Soak the gelatine leaves in cold water (or dissolve the powdered gelatine in a tbsp of warm water)
Bring the tea, sugar syrup and salt to a boil. Simmer for about 7 mins until it forms a thick syrup.
Squeeze the gelatine leaves, place them in the food processor and blitz on medium speed or add the dissolved gelatine mixture to the food processor.
Pour a thin trickle of hot syrup onto the mixture. If it turns whiter, the prosessors’ speed can be increased. Keep on blitzing into thikc white form & until the bowl feels lukewarm. This takes 15 minutes! add the coloring.
Grease a sheet of baking paper. Place on a serving tray and spread the mixture on it: 2cm or ¾inch thick.
Leave to dry for 8-12 hours. Cut into squares or cut out shapes.