Salvadoran fiesta foods yuca frita, panes con pollo, sopa de pata

Based on the provided source, the 2023 Pupusa Fest organized by Salvies Who Lunch is a community event that features Salvadoran cuisine, but the source does not list specific LA restaurants that serve full menus beyond pupuserías or that host community events ^[1]. The source focuses on the festival itself, not on individual restaurant offerings or their event hosting capabilities. Therefore, the question cannot be fully answered from the given source alone.