Mix flour and cocoa powder
Add sugar, salt, milk, eggs, and yeast, then knead the dough
Add butter and knead until smooth
Cover the dough and let it rise for 1 hour
Divide the dough into appropriate portions
Place the dough on a baking tray
Bake in a preheated oven at 180°C for 20 minutes
After cooling, spread chocolate cream (optional)