Take butter and sugar in a bowl and beat them till creamy

Add 1 by 1 eggs and beat again

Now sieve flour and baking powder and mix flour in butter mix

Now add vanilla essence

Divide battar in two equal parts and add coco powder in 1 part

Now add one tbsp coco battar and one tbsp vanilla battar in this way fill all moulds

And bake for 25 to 30 min. At 180 degree,cool them and demould our cupcakes are ready to serve