Boyle Heights tortillerías — La Princesita + Yiyo + masa supply

La Princesita Tortilleria (3324 E 1st St) is a key node in the Boyle Heights masa-supply economy, selling fresh masa by the pound to home cooks and likely to East LA restaurants, though specific restaurant clients are not documented in available sources ^[2][3]. The tortillería is one of at least 16 top-rated tortillerías in Los Angeles, many of which—like Tortilleria La California (2241 Cypress Ave) and Miramar Tortilleria (4336 Union Pacific Ave)—also supply fresh masa and tortillas ^[2]. The nixtamal vs. masa-harina ratio is not explicitly stated for La Princesita, but several area tortillerías emphasize nixtamal-based production: Amapola Market uses an artisanal nixtamal process with non-GMO corn ^[4]; Tortilleria La California lists nixtamal as a product ^[6]; and La Milpa de Rosa (New York) bakes daily nixtamal tortillas ^[5]. Masa harina, a dried reconstitutable version, is a separate product ^[3]. Next-day-fresh tortilla delivery to restaurants is not confirmed in the sources, but the prevalence of tortillerías with on-site factories (e.g., Amapola’s three locations each have a tortilla factory ^[4]) and the availability of fresh masa year-round at places like Acapulco Mexicatessen in East LA ^[3] suggest a robust local supply chain. These tortillerías collectively maintain the Mexican-LA tortilla supply chain by offering fresh, chemical-free masa and tortillas, preserving traditional nixtamal methods, and serving as community hubs for masa during holidays and year-round ^[1][2][4].