Weigh all the ingredients

Cream the sugar and margarine together

Add eggs one by one and add vanilla essence.

Fold in flour with baking powder and baking soda

Stir until the ingredients are combined and the mixture is smooth

If the cake batter is too thick, add some milk

Pour 2/3 of the batter into a baking tin.

Add cocoa powder to the remaining cake batter and mix well

Layer the batter alternatively into the baking tin.

Add some milk into a bowl and add some cocoa powder and mix well.

Using a piping bag, pour the paste into the cake batter.

Using a skewer,draw a flower pattern.