butter - 2 kilos (2 kilos, divided; use 3/4 initially and 1/4 cold butter later)
salt - to taste (a couple of pinches, to taste)
Instructions
Combine Water and Butter: Add 800g of water and 1.5 kilos of butter diced into a pan. Heat on medium until butter melts.
Season: Add a couple of pinches of salt for a base layer of seasoning.
Emulsify: Once the butter and water mixture is hot and melted, remove from heat. Blend in the remaining 1/4 cold butter until the mixture is smooth and emulsified, about 20-30 seconds.