Alvarado Day-After Fish Tacos (Tacos de Minilla)

This is from Alvarado, the port town where the Papaloapan river empties into the Gulf, an hour south of the city of Veracruz. The alvaradeños are fishermen, and they have the sharpest, saltiest tongues in Mexico. They cook the way they talk: direct, generous, nothing wasted.

Minilla is what you do with yesterday's fish. You poach a sierra or a robalo, eat the good fillets one day, and the next day what is left gets hashed with tomato, green olive, caper, and pickled jalapeño until it becomes something new. Look at that pantry. Olive, caper, olive oil. That is not the central highlands. On this coast the Spanish landed first and stayed longest, and the Mediterranean never left the kitchen. Here the fat is aceite de oliva, not manteca. No me vengas con atajos: a real Spanish olive oil, green olives you chop yourself, capers that still smell of the brine.

I collected this in the Mercado de Alvarado, from a señora who sold fried fish and kept a pot of minilla going for the regulars. Her secret was patience. Make it today, eat it tomorrow. The tomato and the olive and the chile need a night to come together. My mother was from Jalisco and never made minilla in her life, but she kept the same law in her kitchen: you do not throw fish away. You turn it into something better.

This is La Tercera Raíz on a plate. Indigenous corn, Spanish olive, and the African hand that worked this port for three centuries. Roll it into a warm corn tortilla. Not flour. The tortilla is the one thing the Spaniards never managed to replace. Saber cocinar es saber vivir.