Kosereva
Kosereva is a common "barreled" candy with a high protein content originally made in Paraguay , made with the hardened skin of the sour orange ( "apepú" , in Guaraní language ) and cooked in black molasses , resulting in a bittersweet and acidic taste . 
<triplet> Kosereva <subj> candy <obj> subclass of <subj> Paraguay <obj> country of origin