Add them to the egg mixture and stir well until fully absorbed and until they form a smooth mixture. Oil and flour a cake form.
Pour the mixture into it, put chocolate spread on top in several spots with a spoon, don't stir.
Bake in a preheated 338°F (170 °C) oven to a try toothpick (about 40 min.). Leave it to cool.
Optionally, make a sugar syrup by boiling the sugar with the water and adding the cocoa. Stir and boil about 5 min.
Pour this syrup randomly over the cake and sprinkle with coconut flakes.