Dokunie Cooking: p8 we learn that she taste digusting (1st gag)
p12 even by being healthy, she doesn't taste good (2nd gag)
p17 the cooking is horrible and the monster goes off destroying the village with the elf hanging from its mouth).
The Devil is Troubled ... : p9: the heroine is immortal and want to be killed (nothing much of a gag)
p15: the heroine considered the Devil castle like a suicide spot (1st gag) and will kill the devil if he doesn't kill her
p20: the heroine will kill the devil if he doesn't kill her (not much of a gag)
p25: the Devil promise he will find a way to kill her. (And in the epilogue we learn that none of the leader is coming. let say it's half a gag)
between p15 and p20 we learn nothing new, we expect what happen and (IMO) nothing is really funny. We could skip them and the chapter would be the same, you laugh as many times. While reading the whole chapter, only the gag with taking the castle as a suicid spot made me smile