It is a travel ritual I've found myself repeating across the globe. I once spent an unreasonable portion of a sweltering Barcelona afternoon navigating the crowded aisles of a basement Mercadona, hunting down jars of pistachio cream. In a chaotic Miami Trader Joe's, I bypassed the groceries entirely and bought six jars of Everything But the Bagel seasoning, then repacked my suitcase around them before flying home.