I was wandering down a chilly December street in Cádiz, wrapped up against the sea breeze, when a warm, sweet smell drifted through the air and stopped me in my tracks. It was coming from a little shop called Sabores de España, its windows glowing with trays of glossy, caramel‑coated nuts. The moment I tasted them, I was transported. The flavours were magical and unmistakably Christmassy — cinnamon, toasted sugar, and that deep, old‑fashioned warmth you only get from simple ingredients treated with care. They reminded me of Victorian Christmas treats, back when festive sweets were made from just nuts,…