In a large bowl, mix the butter in room temperature with the eggs, added one by one, after with the vainilla essence and the whipping cream (previously mixed with the dark chocolate).

Once we have all the liquid ingredients already well mixed, will add the dry ingredientes, spoon by spoon to integrate everything well, the last step is add the scoop of protein and mix it well, and put all the mass into the cake mold.

Bake the cake in the oven at 200°C for 15-20 min. Enjoy it!