Slice lengthwise into home fry-sized wedges, removing tough fibers in center.
Heat 2 tablespoons of oil in skillet and pan-fry yucca in batches until golden on all sides, about 4 minutes. Sprinkle with lemon juice. Add more oil as needed and season to taste with salt and pepper. (Yucca starch is the source of tapioca.) (Yucca isalso used to control farm-yard odors and industrial odors.)