Mexico City has no shortage of taquerias, but few places have reshaped how the country — and the wider food world — thinks about its most basic ingredient the way Maizajo has. The restaurant, tortilleria and taqueria in one, is the project of Santiago Muñoz Moctezuma, a chef whose deep-dive into Mexico's native maize varieties turned into one of the most influential dining concepts in the capital.

What makes Maizajo different starts with the corn itself. Rather than buying commodity masa, Muñoz Moctezuma built the operation around heirloom Mexican maize — the dozens of native varieties, in colours from deep blue to ruby red, that industrial agriculture has largely pushed aside. His early research also focused on nixtamalization, the ancient process of cooking corn in an alkaline solution that unlocks its nutrition and flavour, and that forms the basis of every good tortilla. At Maizajo that science happens in-house: corn is sourced, nixtamalized and milled on site, then turned into tortillas that are the backbone of the taqueria and the restaurant menus upstairs.

The result is a three-in-one operation. The tortilleria sells fresh tortillas and masa to the neighbourhood, the taqueria serves them up with fillings, and the restaurant treats corn as a subject worth exploring course by course. It's a model that has since been copied and referenced across Mexico and beyond — proof that a tortilla can be a destination in itself.

For travellers, this is exactly the kind of food experience that justifies a detour. Instead of treating tacos as street-side fuel, a visit to Maizajo is a chance to taste the difference that a single heirloom corn variety, freshly milled, makes — and to understand why chefs around the world now talk about maize the way sommeliers talk about wine. Expect to pay a fraction of what a tasting-menu restaurant would charge for the tortilleria and taqueria side, with the more formal restaurant as a step up. Pair it with a wander through the surrounding neighbourhood, and consider stopping at a local market to taste tortillas from other regions side by side. If corn captures your imagination, Mexico City is arguably the best place on earth to follow it — from morning quesadillas to high-concept maize dinners.

Original reporting by Roads & Kingdoms.