Dice butter. Heat milk with butter and remove from the heat when milk is just warm.

In the meantime, mix both flour, salt and sugar.

Add milk and butter. Crumble fresh yeast.

Knead using your hands until you get an homogeneous paste. Cover with cling film and let rise 1h30 until double in size.

Divide the dough into two pieces. Make strips about 60 centimeters long. Braid strips. Make a U up side down and braid again.

Put on top of a baking tray covered with baking paper.

Mix egg yolk with milk and brush bread with half of this mixture and leave to rest another 30 minutes.

Preheat oven to 200°C. Cover with remaning egg yolk and bake for 35 minutes. Cover with aluminium foil the last 10 minutes.