Butter (arguably) makes everything better – even tea. For Chime Dhorje, who works at Café Himalaya in New York City, the butter in the cup of tea before him ideally comes from a yak. Yak butter tea is ...

The idea, first popularized by Dave Asprey, founder of the “Bulletproof Coffee” movement, combines freshly brewed coffee with healthy fats. He says, he was inspired after trying high-fat tea drinks in ...