Boil until nearly tender, put sugar, tapioca and lemon juice into it. Back side of the back carefully. Connection until it cooked throughout (the skin will Brown and luster being clear), so turn off the lights.
Boil until potatoes are almost cooked Add sugar and lemon juice to. Back to carefully Connect until it is cooked through (Juicy, the skin is brown and clear gloss) off.
Boiled cassava until almost cooked. Add some sugar and lemon juice. The back side so carefully welding until it is cooked (the skin is juicy sugar and clear, shiny), then turn off the lights.