01 - Place the potato chunks in a large pot, cover with cold water, and add 1 tsp salt.
02 - Bring to a boil over medium-high heat, then reduce to a simmer and cook for 15–20 minutes until tender when pierced.
03 - Drain the potatoes thoroughly and return them to the pot. Allow to steam dry over low heat for 1–2 minutes.
04 - Mash using a potato masher or pass through a potato ricer for an extra smooth texture.
05 - Gently warm the milk, cream, and butter in a small saucepan without boiling until the butter has melted.
06 - Gradually incorporate the warm dairy mixture into the mashed potatoes, stirring until smooth. Adjust texture with additional milk if needed.
07 - Season with salt, white pepper, and nutmeg if desired. Mix thoroughly and serve hot.