Potato Creamy Soup

Good for 6-8 persons.

1 big potato, peeled, finely diced
1 cup evaporated milk
3 tbsp cream of mushroom powder
2 tbsp butter
1 onion, finely chopped
1/2 tbsp cornstarch
3 spring onions, cut into 1 1/2"
Salt to taste
Water

* Boil potato and onions in a saucepan with enough water to cover them until tender.
* Mash potato in saucepan.
* Dilute cream of mushroom and cornstarch in 1/2 cup water and add to mashed potato.
* Add milk and butter. Add enough water to desired thinness.
* Season with salt. Boil for 2 minutes.
* Add spring onions. Remove immediately from fire.