Boil the milk and half the sugar.
Make a porridge out of a little cold milk and the corn starch.
When the milk is boiling, bind with the corn starch, and continue to heat the mixture.
Cool the mixture to 30°C and mix in a blender until smooth.
Soak the gelatin sheets, heat some of the milk mixture and dissolve the gelatin.
Mix this through the rest of the milk mixture with the green tea powder.
Whip the cream until it has a yoghurt consistency.
Beat the egg whites with the rest of sugar until light and stiff.
Once the milk mixture has cooled to 27°C, mix with the egg whites and fold in the whipped cream.