Combine flour, sugar, salt, and yeast in a bowl.
Add milk and eggs, and knead the dough.
Add butter to the dough and knead until smooth.
Let the dough rise for about 1 hour.
Divide the dough and shape into round balls.
Place cheese in the center of the dough and shape it.
Let rise again for about 30 minutes for the second proof.
Bake in a preheated oven at 180°C for 15 minutes.