First of all sift all purpose flour, coccoa powder, powder sugar , baking powder and baking soda , 2-3 times .. keep it aside
In a mixing bowl take eggs , and sprig vanilla extract beat well until light and fluffy
Add oil and milk to beaten eggs and beat again until fluffy
Now add sifted flour and dark chocolate chips to wet mixture
Mix well lightly in cut and fold method until uniform mixture
By the time preheat oven
Take a baking tray amd grease it with some oil amd dust it with some flour
Pour ready batter in to greased and dusted dish
Now bake it for 15-20 minutes on 180 degrees
Allow it to cool completely and then demould it
Cut in desired shapes and serve
Garnish as you like and enjoy endlessly with family and friends