Las Cuatro Milpas is San Diego’s oldest Mexican restaurant, offering authentic, homestyle Mexican cuisine since 1933. Located in Barrio Logan, it features a simple menu with items like pork tacos, chorizo con huevos, and handmade flour tortillas. The restaurant is known for its cash-only policy and often has a line of customers waiting. It provides a genuine, no-frills dining experience with a focus on traditional Mexican dishes.