In a bowl break eggs,add sugar, margarine and whisk till bubbles appear.

Add 1 cup of flour and whisk until well combined.

Add baking powder and mix a little, add the rest of the flour and whisk.

Pour in milk and vanilla essence and mix.

Separate half of the batter and sieve the cocoa powder in and whisk well.

In your baking tray alternately add the cocoa powder butter and the non- cocoa butter to create patches.

Bake for 60 minutes under 180° or until a toothpick comes out clean.

When done let it cool and enjoy with your favorite drink!!