In a bowl, mix the warm milk with the melted butter, sugar and yeast. Add the flour and salt. Let the dough rise for about 2 hours.
Divide into 4 pieces, let it rise for 5 more minutes.
Make a cut in the chunk compression dough in the middle. Spread with egg yolk. Sprinkle with sesame seeds.
Bake at 200°C (390°F) for 25 minutes.
