Peel the cassava, then cut into slices 1 cm thick. Rinse well.
Boil the cassava in a large pot of water until cooked through.
Soak the cooked cassava in fresh water overnight. The next day, drain away any remaining water and rinse the cassava well.
Season the cassava to taste with the salt.
Serve the cassava with the coconut, palm kernel, and roasted groundnut.