Milk potato soup (easy to make but tasty)

1. Microwave a potato for 3-4 minutes.
2. Peel the skin of the potato.
3. Cut the potato into several chunks and put them into a blender.
4. Microwave 200ml of milk for 2-3 minutes (skip this step if you
prefer cold soup).
5. Add the milk into the blender.
6. Add half a teaspoon of salt and a full teaspoon of sugar into the blender.
7. Switch on the blender.
8. Serve the soup and add a dash of olive oil and a pinch of coarsely
grounded black pepper.