食谱取自Nasi Lemak Lover。
250g cake flour
1tsp vanilla essence （没放）
2tsp of double action baking powder
2tbsp cocoa powder
1. Sift cake flour and baking powder in a bowl.
2. Beat butter with the sugar until pale and fluffy.
3. Add in egg one at a time, add in vanilla, mixing well.
4. Fold in flour and milk, combine well.
5. Mix ½ portion of cake mixture with cocoa mixture.
6. Pour cake mixture into cake tin and follow by cocoa cake mixture.