01 - Place potato chunks in a large pot and cover with cold water; add a pinch of salt.
02 - Bring water to a boil over high heat, reduce to medium, and simmer 15–20 minutes until fork-tender.
03 - Drain potatoes thoroughly and return them to the hot pot.
04 - Add butter and mash until mostly smooth using a potato masher.
05 - Gradually stir in warmed milk until reaching desired creamy consistency.
06 - Add salt and freshly ground black pepper according to preference.
07 - Serve immediately, optionally topped with extra butter.