Pescado a la Talla de Barra Vieja

Guerrero's Costa Grande gives you this dish, especially Barra Vieja, the beach east of Acapulco where the lagoon, the Pacific, and the charcoal grills meet at the same table. Pescado a la talla is not a fillet with sauce. It is a whole fish opened like a book, salted, covered with adobo, and grilled slowly enough that the flesh stays moist while the skin takes the fire.

The adobo is the signature: chile guajillo for red color and clean fruit, chile ancho for depth, garlic, cumin, oregano, vinegar, and a little mayonnaise because the beach cooks know what they are doing. The mayonnaise is not decoration. It helps the adobo cling to the fish and brown over the coals. No me vengas con atajos. If the chiles are not toasted, the sauce will taste asleep.

I learned this version from women working the palapas near Barra Vieja, not from a restaurant menu in Acapulco's hotel zone. They grill by sight: the coals must be gray, the fish must lie flat in the basket, and the adobo must be thick enough to hold onto the flesh. Serve it family-style on barro rojo from Guerrero with tortillas, lime, and a small bowl of salsa. Cada estado, su propia cocina.