Milky Way. Melt 50 g whipped cream and Milky Way over a warm water bath, stir until smooth. Put the oatmeal in a freezer bag and chop coarsely with the cake roll. Stir 100 g crumbs into the chocolate cream. Spread the bottom of a square springform pan (24 x 24 cm) with oil. Pour the crumb mixture onto the base and spread to a smooth base.
Sprinkle the remaining crumbs on top and press down gently. Put the base in a cool place. Soak the gelatine. Wash, sort and puree the blueberries, except some for decoration. Mix sour cream, sugar, vanilla sugar and lemon juice. Whip 500 g cream until stiff. Squeeze the gelatine, dissolve and mix with 3 tablespoons of sour cream. Stir into the remaining sour cream. Fold in the cream. Pour onto the base. Put blueberry puree in blobs on the cream and marble with a fork. Chill the cake for about 2 hours.
Stir into the remaining sour cream. Fold in the cream. Pour onto the base. Put blueberry puree in blobs on the cream and marble with a fork. Chill the cake for about 2 hours. Turn remaining blueberries in sugar syrup. Remove the cake from the tin, cut into pieces and decorate with blueberries. Arrange on a plate and decorate with mint
2 hours waiting time