# Whisk the mixture of the eggs and
sugar until it turns to white.
# Add the liquid ingredients which are oil and mineral water at first, and mix.
# Add
flour, baking powder and vanilla in it and mix until get a smooth mixture.
# Place 1/3 of the mixture into a separate bowl, add
cocoa in it and mix.
# Superpose 2 tbsp white mixture and 1 tbsp
cocoa mixture on the cake mould which don’t have a hole in the middle.
# Repeat these actions until finishing all of the ingredients, and bake it in 356 F oven for 1 hour.
