Potato Soup - cooking recipe

Ingredients

4 c. raw potatoes, diced or sliced
1 1/2 c. water
1 1/2 tsp. salt
1/4 tsp. pepper
3 Tbsp. butter
1 small onion, diced
1 qt. milk

Preparation

Dice or slice the potatoes.
Add remaining ingredients, except milk.
Simmer to well done.
Mash lightly.
Add milk.
Cook just to boiling.