Pour the Easy Bake Vanilla Cake mixture, the water, the seed oil (or margarine/butter) into the mixer's bowl and beat at 1st speed for 2 minutes.
Pour half the porridge into a buttered and floured pan and keep half of it aside.
Heat the milk a little, dissolve in this cocoa, pour them into the rest of the cake mixture and mix them.
Pour into the tin and the chocolate mixture.
Bake at 180°C for 50 minutes (without opening and closing the oven) *To make sure the cake is ready, dip a knife in the center. When we remove the knife, the cake should not leave any residue on it.