How to cook and make tasty potato soup?

Wash the potatoes.  Peel off the cover from the potatoes.  Boil the potatoes in a container with six cups of water.  Drain the water.  Fry some onions on a fry pan along with ginger and garlic.  Cut the potatoes into small pieces and fry with the onions.  Add salt and pepper.  Finally add two cups of water and cook under low flame.  Your potato soup is ready.  Add one teaspoon of butter and serve hot with bread rolls.