That masa is nixtamalized in-house from heirloom corn grown southeast of Boulder through a partnership with the Masa Seed Foundation, part of an ancestral corn preservation project. The same hand-harvested corn is distilled, in collaboration with Bozal, into Bozal Maize, a vegan corn pechuga-style mezcal made exclusively for the restaurant.
Chef Johnny built the menu as an extension of his work deepening diners' understanding of Mexican food traditions. Michelin awarded Milpero one star in its 2026 guide, and the restaurant was included on The New York Times' Restaurant List that year.

