This cheese is a rare, strong but tasty cheese, produced on the beautiful Portuguese island of São Jorge (Azores). Azores Island Cheese Portugal. Being a cheese manufactured exclusively on the island of São Jorge, cured, with firm, yellowish, hard or semi-hard pulp, with small and irregularly disseminated eyes in the mass, presenting a brittle structure, obtained by pressing and draining after coagulation, exclusively with animal rennet of raw, whole cow's milk.