Hamburger a style of rich, juicy burger in 2012 which is known as a "dirty burger" or "third-wave burger". In recent years Rustlers has sold pre-cooked hamburgers reheatable in a microwave oven in the United Kingdom. In the UK, as in North America and Japan, the term "burger" can refer simply to the patty, be it beef, some other kind of meat, or vegetarian. Fast food franchises sell American style fast food hamburgers in Australia and New Zealand. The traditional Australasian hamburgers are usually bought from fish and chip shops or milk bars. The hamburger meat is almost always ground beef,
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"