Every year, on December 13, golden-hued saffron buns bake in ovens across Scandinavia. Eating this sweet bread—known as lussebullar or lussekatter in Sweden, luciabrød in Denmark and Norway, and lucia-pullat in Finland—heralds the celebration of St. Lucia’s Day. In Sweden, eldest daughters often serve their parents buns and coffee in the morning while wearing a white gown, red sash, and a candle-lined wreath crown. The costume pays tribute to St. Lucia, a Christian martyr who died in the fourth century, executed by the authorities for her faith. The red sash…