The kouglof (also kugelhopf, gugelhupf) is the crown jewel of Alsatian baking: a tall, fluted, dome-shaped enriched yeast cake studded with raisins and almonds, baked in its eponymous terracotta or copper mould that gives it its distinctive turban-like form with a central chimney. This cake is so embedded in Alsatian identity that it features in local folklore (Marie Antoinette allegedly introduced it to Versailles), appears at every Christmas market, and its mould shape has become a symbol of the region. The dough is a moderately enriched brioche variant: Type 55 flour, eggs (20% of flour weight), butter (25-30%), sugar (10%), salt (1.5%), milk (20%), and fresh yeast (3-4%). Raisins (20% of flour weight) are macerated overnight in kirsch or rum until plump and fragrant. Mixing follows enriched dough protocol: develop gluten first, add softened butter in stages, then gently fold in the drained raisins at the end. The dough is fermented for 1 hour, folded, then retarded overnight at 4°C. The kouglof mould is prepared meticulously: generously buttered, then a whole blanched almond is pressed into the butter at the base of each flute (these almonds will crown the finished cake when unmoulded). The cold dough is shaped into a thick ring and pressed into the mould, filling it one-third to one-half full. Proofing at 27°C for 90-120 minutes until the dough reaches the rim. Baking at 180°C for 35-45 minutes (the deep mould requires lower temperature and longer time). The baked kouglof is unmoulded immediately, revealing the almonds embedded in the golden crown. Once cooled, it is dusted generously with powdered sugar, creating a snow-covered mountain effect that echoes the Vosges peaks visible from every Alsatian window.
Fluted kouglof mould essential for shape. Almonds pressed into buttered mould flutes. Raisins macerated in kirsch overnight. Moderately enriched dough (butter 25-30%). Overnight retard for flavour and workability. Fill mould one-third to one-half. Bake at 180°C for 35-45 minutes.
Season a new terracotta mould by buttering it heavily and baking empty at 180°C three times before first use. The kouglof improves on the second day as the crumb firms slightly and the flavours meld. For the Christmas market version, replace raisins with mixed candied fruit and add orange zest to the dough.
Not buttering the mould sufficiently, causing sticking (especially in terracotta moulds). Over-filling the mould, causing overflow. Adding raisins too early in mixing, crushing them. Forgetting to place almonds in the mould before adding dough. Underbaking the deep centre.
Le Larousse du Pain (Eric Kayser)