Instructions

1. Combine sugar and egg and whisk well.
2. Add in oil, butter milk, cocoa essence, raisins, cocoa powder and whisk again.
3. Add in flour, baking powder through a sieve and combine well.
4. Pour one - one tablespoonful of batter into muffin cups.
5. Sprinkle little sugar and raisins on top of each cups.
6. Preheat oven and bake muffins at 175 c for 25 minutes.
7. Cool and serve

Note:  Bake cakes until a toothpick is inserted in the center of cake comes out clean.