Provolone (sharp/piquant), aged for a minimum of four months and with a very sharp taste, to "provolone dolce" (sweet) with a very mild taste. In "provolone piccante", the distinctive piquant taste is produced with lipase (enzyme) derived from goat. The "Dolce" version uses calf's lipase instead. Both "provolone valpadana" and "provolone del Monaco "(from the Naples area of Italy) have received the DOP (Protected Designation of Origin) seal from the European Union, meaning no country other than Italy may legally produce a cheese called that. In Brazil, Argentina, Bolivia and Uruguay, small discs of locally produced pulled-curd provolone of in diameter
What Love Is Made Of extremely positive about "What Love Is Made Of", describing it as "darker than anything" from "On a Mission", while calling it "slinky". The reviewer went on to commend the "irresistibly pouty" chorus. Pitchfork Media's Katherine St. Asaph commented that, in the song, the singer "sound[ed] completely enthralled, by either her lover or the music" and complimented her voice, noting that it seemed "ten times bigger than before". Jordan Sargent of "Spin" magazine called the track "exuberant" and highlighted Katy's vocal performance, which he deemed "typically fantastic", while the team from pop music website Popjustice gave "What Love Is Made Of"