A dedicated drinker can get through dozens of cups in a day, since the pot is kept going and topped up all day rather than served once and finished.
Butter tea is brewed from dark, long-boiled tea leaves churned together with yak butter and salt until it turns as thick as a light stew. Sherpa households and teahouses along the Everest trekking routes keep a pot going through the day, refilling guests' cups as a basic act of hospitality.