To make the salsa, in a food processor, combine the tomatoes, onion, garlic, oregano and 1 teaspoon salt. Process until smooth, 1 to 2 minutes. Transfer to a medium bowl; reserve the food processor bowl and blade. Stir the cabbage and cilantro into the puree, then taste and season with salt and pepper. Cover and set aside until ready to serve.

Yerba Buena Lane, one of The City’s newest proposed entertainment zones, will hold a family-friendly celebration for Cinco de Mayo. Nearby establishments such as Delarosa, Press Club, Tropisueno, Ippudo and Amber India will offer food and drinks. Live music includes mariachi bands and DJs.