Ah, that’s a classic chef hack! 🥔 The secret isn’t milk or water—it’s cream cheese or sour cream.
Adding cream cheese, sour cream, or even a touch of butter at room temperature makes mashed potatoes rich, ultra-creamy, and restaurant-level smooth. Some chefs even use a little potato cooking liquid instead of plain water—keeps the flavor but thins just enough for creaminess.
If you want, I can share a step-by-step trick to make mashed potatoes so creamy that people will swear you used some secret restaurant method. Want me to?