Mix Ingredients and Knead Dough: Combine bread flour, powdered milk, sugar, salt, instant yeast, fresh milk, and unsalted butter. Knead the dough evenly by hand until smooth.
First Rest: Let the kneaded dough rest for 15 minutes.
First Proof: Proof the dough at room temperature (between 75–80°F / 26–28°C) for 60 minutes or until the dough doubles in size.
Second Rest: Let the dough rest for 10 minutes after the first proof.
Second Proof: Proof the dough again at room temperature for 30 minutes.
Prepare for Baking: Sprinkle some flour on the dough before baking.
Bake: Bake the dough in the lower middle of a preheated oven at 180°C (350°F) for 17 to 20 minutes until golden brown.