El Primo Birriería in Chula Vista's Third Avenue Village specializes in Jalisco-style birria, serving slow-braised beef from a sit-down dining room near the intersection of Third Avenue and Oxford Street. The birria simmers for several hours in a multi-chile adobo marinade to yield a deeply red consomé that doubles as a dipping broth — a technique dependent on quality beef sourcing of the kind emphasized at La Carnicería Meat Market. Menu options extend beyond standard tacos to include quesabirria, mulitas, tostadas de birria, and a tampiquena plate with grilled carne asada alongside the birria. Breakfast service covers chilaquiles rojos and omelettes, pairing the restaurant's morning hours with the Chula Vista breakfast scene and nearby Third Avenue coffee stops including Donny's Cafe. The signature birria taco uses a hand-pressed corn tortilla dipped in consomé fat before griddle-crisping, stuffed with braised beef, diced white onion, cilantro, and a garnish of shredded repollo in the Tijuana birriería tradition.