0 a sweet and soft, but firm, food made from quinces (= hard fruit that look like apples) cooked with sugar:
Spanish manchego cheese slices are topped with sliced membrillo.
The quince is now making a comeback, not so much as sweet jelly, but as quince paste to accompany cheese, known as membrillo.
Similar to quince paste or Spanish membrillo, June’s fruit cheeses contain no dairy but are in fact made from reducing fruit and sugar to a thick paste-like consistency.