marble cake

ingredients :

1. 250 gm butter
2. 250 gm castor sugar
3. 250 gm soft flour 
4. 1/2 tsp baking powder
5. 5 no eggs
6. 1/4 tsp vanilla essence
7. 20 gm coco powder
8. 1/2 cup milk

step :

1. beat butter and sugar until it become fluffy.
2. add eggs gradually
3. add vanilla essence
4. add flour that already mix with baking powder
5. take some mixture and mix it with coco powder
6. pour two mixture turn by turn in the mold based on creativity
7. bake it about 20 min in 180 degree Celcius.

p/s : cake will be ready if the wooden stick come out clean.