How to make
Boil the milk. Add the sugar to melt. According to the instructions, add the starch.
In a cake tin, arrange the biscuits, a thin layer of cream and sprinkle with blueberries.
Do that until you run out of biscuits.
Sprinkle walnuts on top and decorate the biscuit cake with blueberries.
The biscuit cake with fresh blueberries is ready.