• Preheat oven to 175°C (350°F).

CAKE BOTTOM (bowl 1)

• Add a sieve to a mixing bowl. Add the flour through the sieve, add sugar and baking powder.
• Remove the sieve. Add soft butter and an egg and mix until combined.

CAKE FILLING (bowl 2)

• In a large bowl, add sugar, vanilla pudding powder, butter and eggs.
• Add quark, sour cream and whipping cream. Mix until smooth.
• Add quark, sour cream and whipping cream to the bowl. Mix all ingredients until smooth.

CAKE TIN

• Grease a cake tin with butter, then add the cake mixture (bowl 1) to the tin. Spread and press the dough with a spoon or glass, create an 1.5 cm (1 inch) edge.
• Pour in the filling (bowl 2) and smooth the surface with a spatula.
• Bake for 75 minutes.
• Cool at least for 30 minutes.

TOPPING

• Spread vanilla cream on top with a spatula.
• Slice the citrus fruits and arrange them on the cake.
• Add blueberries and mint leaves.