Preheat your oven for 10-15 mins... Mix your butter and sugar together till it is smooth and fluffy... Add your egg to d mixture nd mix. Add ur flour(b4 adding in ur flour, add ur baking powder nd baking soda to d flour nd mix till it is incorporated) after adding ur flour, add in your flavour nd mix together till everything is well incorporated

Divide your batter into two..add your cocopowder nd browning in one of the batter.. U may add a little flavour... Mix well until it is well incorporated

Rub little butter on your pan to avoid your cake from burning... Fetch a spoon of your vanilla batter nd pour it in your pan.. Fetch another spoon of chocolate batter and add on the vanilla... Repeat these process until u r done

Put ur pan in the oven and bake until a stick inserted in d middle comes out clean

Yummy ur zebra cake is ready to serve