Mix flour, yeast, sugar, and salt.
Add lukewarm water and milk, then knead the dough.
Add butter and knead until the dough becomes smooth.
Let the dough rise for 1 hour.
Divide and shape the dough into balls.
Place the dough on a pan and let it proof for the second time.
Bake in a preheated oven at 180°C for 20 minutes.