# Blend the eggs with
sugar for about 7-8 minutes.
# Add
yogurt, sunflower oil on it and blend for a while.
# After adding
flour, vanilla extract, and baking soda, pour half of the mixture on a greased square shaped pan.
# Add the
cocoa and chocolate chips into the remaining mixture.
# Pour this mixture on the flattened white mixture.
# Preheat the oven to 347F and cook the cake for 45 minutes.
# After resting the cooked cake for half an hour, cut it into squares.
