You can use sweetened coconut or a mix of both sweetened and unsweetened. I find that with the sweetened condensed milk, unsweetened results in a bar that is not overly sweet. If you have a real sweet tooth feel free to use sweetened or half and half. Whatever you like, or have on hand will work.
Keyword bar, coconut, dessert, easy recipe, liliko, lilikoi, macaroon, passion fruit, squares, sweet