INGREDIENTS:=
METHOD:-
Beat Sugar, Oil and Egg together and make it a mixture.
Add Vanilla essence to the mixture.
Sieve Flour and Baking powder thrice.
Add the sieved Flour & Baking Powder to the mixture.
Add milk.
Separate 1/3 rd of the mixture in a different bowl and add drinking chocolate to it.
Grease the pan with Oil.
Sprinkle a little quantity of Flour in the pan.
Pour the mixture in the pan and form alternate layers ( 1 layer of normal mixture and 1 layer of mixture mixed with drinking chocolate).
In a pre-heated Oven, bake for 40-45 minutes.
Marble cake is ready.