It's a close relative of Granada's vigorón, which serves the same yuca and cabbage salad but tops it with chicharrón on a banana leaf.
Pork is roasted or fried until the skin turns crackling-crisp, then chopped and served over boiled yuca with pickled onion-and-cabbage curtido. Roadside comedores along the Pan-American Highway through Rivas department sell it as a drive-by staple.