Casero Taqueria in Carlsbad's Bressi Ranch district brings Baja-inspired Mexican food to Gateway Road with house-ground nixtamal corn tortillas pressed for each taco order. The nixtamalization process — soaking dried corn in calcium hydroxide before grinding — produces a tortilla with more structure and mineral flavor than standard masa, a grain-forward commitment echoed by the malt profiles at Arcana Brewing Company nearby in the Bressi Ranch corridor. Co-founders conceived the concept after surf trips to Baja California, and the menu reflects that origin with ceviche, pozole, albondigas soup, and lobster tacos alongside standard carne asada and al pastor builds. A mercado counter sells the kitchen's ready-to-cook salsas, braised meats, and tortillas for home preparation. The indoor-outdoor bar pours craft margaritas and San Diego draft beer into a patio that faces the same Bressi Ranch dining cluster anchored by Luna Grill Bressi Ranch and the growing roster of Palomar Airport Road restaurants. The birria taco dips a quesillo-stuffed tortilla into consommé before griddling it to a crisp, melted-cheese seal.