Taco de Birria de Res

Birria de res is what happens when the highland goat stew is rebuilt on beef. The animal changes everything that follows. A cut like chuck, run with short rib or shank, is seared and then submerged in a paste of dried chiles and cooked low for hours until the connective tissue melts and the meat falls into wet, stained shreds. Where goat fights the cook with a lean, gamey muscle, beef arrives marbled and faintly sweet, its fat dissolving into the pot rather than resisting it. The short rib and shank are not incidental: their collagen renders into the broth and gives the consomé the body that the whole taco leans on. Lifted into a warm corn tortilla with onion and cilantro on top and a cup of that broth alongside, the beef rendition is the one most people outside Mexico meet first.

The pot is where the taco is actually made. The adobo leans on guajillo for color and a deep low burn, ancho for a dark raisin roundness, and a handful of chile de árbol for the sharp top note; the dried pods are toasted, softened in hot water, and ground together with garlic, a splash of vinegar, oregano, cumin, and a little clove into a thick stained paste. The beef steeps in that and then cooks down until it lets go. The liquor that pools beneath, the consomé, settles thicker and more gelatinous on beef than it ever does on lean goat, because the rib and the shank are melting their collagen straight into it. The meat waits in that broth until the order comes so it reaches the tortilla still wet. The corn round is pulled across the rust-colored fat floating on the pot, then set on the iron until the soaked surface crisps into a lacquered, stained skin.

The beef can be ruined at either end of the cook and again at the broth. Pulled too early, it squeaks against the teeth with the connective tissue still rubbery; taken too far, it slumps to paste and loses the grain that reads as meat rather than mush. A consomé thinned with water rather than cooked down from chile soaking-liquid and bone comes out tasting of salt alone, and the dunk does nothing, which costs a beef build more than a goat one because the rendered marbling is half of what you came for. Skip dragging the tortilla through the fat and the round crisps to the pale color of plain corn, missing the chile shell entirely. Load the small round past what it can hold and it splits through the center on the second bite and spills.

At the birriería the smell reaches you ahead of the pot, dried chile and toasted clove and rendered beef fat rolling off the steam in a rust-colored cloud. The tortilla comes warm and pliable, the shred soft and soaked through and nearly dripping, the griddled face gone dark and brittle around the rim. The broth comes up steaming, hot enough to mist the side of the clay cup. The first bite is the slow chile heat, more guajillo round than árbol sharp, then the beef fat behind it, then raw onion biting cold and cilantro going green across the top. Lime lifts the whole thing. The rhythm is a bite, then a pull of broth from the cup, then another bite, and the fat runs orange over the fingers before the plate is empty.

Ordering runs by the cut and the count, and the beef pot has its own grammar at the stall. You call out a number of tacos and a consomé to go with them, surtida if you want lean and fatty pieces mixed, maciza if you want only lean, with the toasted chile de árbol salsa set out for anyone who wants the heat driven harder. Ask for it bien doradito and the cook leaves the tortilla on the iron longer to harden the edges. The dunk is assumed rather than requested. In Los Angeles the trucks that carry this build run on the same words, calling out vampiros for the open-faced version and mulitas for the one pressed between two tortillas.

Its relatives sort by the animal and by the finish. Run the same adobo braise on bone-in goat the way the Jalisco highlands have always done it and the result is birria de chivo, leaner and gamier and more chile-forward, the version the whole technique was built around. Dunk the corn round in the chile fat, fold in stringing cheese, and griddle it shut into a crisp half-moon, and the dish has become quesabirria, a Tijuana descendant rather than this open dipped taco. Send the cooked meat back into a hot oven to char and it turns into birria tatemada. None of those is the plain beef taco; each drives the same pot toward another animal, a harder shell, or a melted bind.

The switch to beef

The beef taco is a documented twentieth-century departure from a much older goat dish, and the departure has a place and a year. Birria began in Jalisco and the surrounding states as meat steamed in a pit or an earth oven, a western-Mexican cousin of barbacoa, and the animal it was made for was goat, whose strong, lean flesh the long chile-adobo braise was built to tame. The town usually given as its home is Cocula, southwest of Guadalajara. For centuries the meat in the pot was chivo, not res.

The change to beef is credited to one Tijuana counter. A taquero named Guadalupe Zárate, who had come north from Coatzingo in Puebla, opened a stand in 1950 and put beef in his birria in place of goat, which cost more and gave back less fat. He is the one recorded as first serving the dish there with a cup of consomé set beside it to drink or to dip. The fattier meat and the broth cup turned the highland goat plate into something else, and that border version, not the Jalisco original, is the one that crossed into the United States.

From that border counter the beef rendition spread north. The cheese-griddled quesabirria built on the beef braise was documented at a Tijuana truck around 2009, and through the second half of the 2010s named Los Angeles operators carried the beef-birria taco across the city and, by way of short video, across the country. Guadalupe Zárate put beef in the adobo at a Tijuana stand in 1950; the goat stew it descends from had already been cooking in Jalisco for roughly four hundred years.