water, leaving about 1/2 cup in the pot.
Stir in the butter until fully melted.
Pour in the milk and heat gently over low heat, lightly mashing some of the potatoes to create a creamy texture. Do not let the soup boil.
Season with black pepper and additional salt if needed. If the soup is too thick, add a splash more milk; if too thin, simmer a few extra continue reading …