Wash any dirt off the potatoes and remove โeyes,โ if any. Place the potatoes in a large pot and add water to just cover; add the salt.
Boil potatoes for 15 to 20 minutes until cooked.
Pour off the water and rest the potatoes on the stove on a very low heat until all water has evaporated and the potatoes are covered in a layer of sea salt.
Serve hot with red pepper sauce - mojo picon or cilantro green sauce - mojo cilantro on the side.