He pressed a foil-wrapped package of pepitas into my hand, winking and telling me to make sure I didn’t break my teeth on any "uncooked seeds" that might be inside. I gently squeezed the foil between my fingers and could feel the now-familiar rectangular shape of a Chiclets box inside. I slipped the vendor the pesos. Pocketing them swiftly, he turned and continued climbing the stairs, calling out his wares as before.