I can think of way worse things for ice to taste of. I'm sure this isn't it.
But Sekhmet is choking on peppermint. It's burning her tongue out. She needs to get it to stop. Her face tightens as she focuses...
And hurls sensations back at Geneva. A counterattack rather than a defense, consisting of the taste and smell of warm gingerbread. But it quickly grows cloyingly sweet, sickeningly delicious.