Healthy Food & Fuel

Onion or no onion: the tortilla de patatas debate, explained by a 3-star chef

The onion debate in tortilla de patatas never really goes away—and chef Dabiz Muñoz just poured gas on it. Here’s what he says, what the MICHELIN Stars system actually allows, and how to make a Spanish omelet that’s crisp on the outside and tender in the middle.