Peel the potatoes
Cut the potatoes into even chunks
Place the potatoes in a pot
Cover the potatoes with cold water
Add salt to the water
Bring the water to a boil
Reduce to a simmer
Cook until the potatoes are tender
Drain the potatoes
Return the potatoes to the pot
Mash the potatoes
Add butter
Add warm milk or cream
Mix until smooth
Add salt and pepper to taste
Serve warm