To find proof as to whether he is "in love" or not, Yukimura pats Himuro on the head from point-blank range. Seeing this, Ibarada, an upperclassman in the Ikeda Lab, talks about the need for a control experiment. In other words, in order to prove that the racing of his heart is because of Himuro specifically and not just because he's facing a woman, Yukimura has to pat Kanade and Ibarada on the head too. Himuro, on the other hand, sets out to prove that food made with love tastes better and cooks, but...
If it were me, I'd cook that book in a 
frying pan until it burned to nothing, bear.
لو كان الأمر بيدي، لطبخت ذلك الكتاب
 .في مقلاة وحرقته عن آخره، دبّ
Ich würd ja das Buch in die Pfanne kloppen,
bis es schwarz ist. Gwar.
Si fuera yo, echaría el libro al fuego
hasta que no quedara nada.
Si fuera yo, echaría el libro al fuego
hasta que no quedara nada.
Un scientifique brûlerait
ce livre de recettes.
Se fosse per me, cuocerei quel libro
in padella fino a ridurlo in cenere, orso.
Se fosse este urso, fritaria esse livro
na frigideira até virar cinzas.
Я бы такую книгу с рецептами 
сжёг дотла на сковороде, мишка.