# Whisk the mixture of eggs and
sugar until it turns to white.
# Add vegetable oil,
yogurt and
cocoa in it, and mix.
# Put 1 cup of mixture aside.
# Add the baking powder and vanilla into the remaining mixture in the bowl, and mix well.
# Pour the mixture into the greased and
floured oven tray.
# Cook in the preheated oven for 45 minutes.
# Rest the cake after removing it from the stove and reverse it. Place on the service plate. Pour the 1 cup of mixture all over the cake.