Preheat oven to 180˚C.
Place Dr. Oetker Nona Luxury Moist Cake Chocolate, water and eggs in a mixing bowl. Mix at high speed for 3 minutes.
Add in vegetable oil and mix at low speed for 1 minute or until batter is light and fluffy.
Pour the batter in a greased 20 cm round baking pan.
Bake at 180˚C for 55 minutes. Set aside to cool.
Melt cooking chocolate with microwave oven or “double boil”.
Slowly pour the chocolate over the top of the cake. Decorate with blueberries and edible flower.