On a bowl put the bb and add sugar till they mix evenly

On a separate bowl beat one egg at a time as you add flour till all is finished, add the vanilla essence and mix evenly and finally add bicarbonate soda

Add the sugar,bb mixture to the flour mixture and swirl gently with the wooden cooking stick if you don't own a mixer, till they mix completely

If the paste is too thick add milk in small bits to make it lighter

Dust the baking tin with blueband or cooking oil,pour the paste gently to the tin

Lit the jiko preheat a big size sufuria and put sand as you drill a hole to fit in the tin

When the Sand is well heated insert the tin cover with aluminum foil and place a lid with burning charcoal on top

Set your alarm for 45min it will be ready

Remove and wait to cool down before serving