Pick-Up & Catering › Side of Curtido (Salvadoran Slaw) Image 1 of 1 Side of Curtido (Salvadoran Slaw) $4.00 Lightly fermented cabbage slaw with carrots and oregano. Fresh, tangy, and essential with every pupusa. Curtido Side Added! Lightly fermented cabbage slaw with carrots and oregano. Fresh, tangy, and essential with every pupusa.