It’s Saturday morning and a crowd of 30 people has already clogged the narrow central aisle of Mexico City’s Mercado de San Juan, the gourmet food market in the historic center. Bottles of Pacifico pass from hand to hand as waiting customers dance to banda music blaring from a precariously placed loudspeaker over chef Luis Valle’s cramped, chaotic kitchen. Flames leap as Valle throws a whole octopus onto the charcoal grill. Plates of crab tostadas, raw scallops as wide as beer bottles, and grilled tacos stuffed with smoked marlin pass over the counter by the dozen.
The dish that made Valle and his eight-seat stall, Don Vergas, famous within months of its opening in February 2018 is aguachile, the unofficial state dish of his native Sinaloa. The backs of six small shrimp crest a shallow pool of lime juice, their tails cozy under a tangle of