Jidáše

Prepare the dough using the 'omládek' (starter) method: in a stand mixer bowl, combine all-purpose flour and semi-coarse flour, make a well in the center, pour in two-thirds of the lukewarm milk, and crumble in the yeast. Gradually mix in flour from the sides until a batter forms, about the consistency of pancake batter. Dust the surface with all-purpose flour and let it rise in a warm place for 30 minutes.

Melt the butter in a saucepan over low heat. Add the remaining milk, sugar, salt, egg yolk, and melted butter to the bowl with the starter. Using a stand mixer with a dough hook attachment, knead the dough on low speed until smooth and non-sticky. This takes approximately 10 minutes. Let the dough rest in a warm place for 30 minutes.

Preheat the oven to 160 °C.