(there are no walnuts in Nutella, it’s hazelnuts, but I’ll answer the question as if there were)
[name_m]Brio[/name_m] would politely remind Kasro of his allergy, which Kasro would remember immediately and be upset with himself for forgetting, and then they would make new, allergen-free crepes together. (I’m just assuming that Kasro is Brio’s partner here, because they are gay and I would have put them in a ship if I’d had time.)
WWYCD if some random person asked them for twenty dollars?