Show Me the Whey: A Kitchen Byproduct Comes Into Its Own

What do body builders and chefs have in common? Aside from some obvious muscle/mussel jokes, the chef might answer “Not much!” as they spoon more butter over a steroid-free chicken thigh. But lately chefs have been making use of an ingredient that body builders have known about for years – whey.

Whey is a byproduct of making hard cheeses (sweet whey) and soft cheeses or yogurt (acidic whey), though not always a welcome one. When the Greek...