First whip the cream, vanilla sugar and sugar until stiff. Then fold the cream into the Greek yogurt.
Clean approx. 250 g of the blueberries, puree and sieve.
To layer, pour some of the cream yogurt mixture into a glass, then add a layer of blueberry puree and another layer of cream yogurt. On top of it the rest of the whole blueberries and chocolate droplets or similar. distribute decoratively.