Bread flour 440g, milk 360g, sugar 15g, salt 6g, butter 15g, yeast 6g. This makes two 420g loaves using Tokyo Marble Cube Pans, 16 slices total. Made with Maeil So-Gal milk protein.
Add bread flour, milk, yeast, salt, and sugar to a bowl and mix.
Add room temperature butter and knead for about 10 minutes.
Place the dough in a bowl and let it proof for the first rise (1 hour).
Lightly divide the dough, shape into balls, and let rest for 15 minutes.
Place the dough into loaf pans and let it proof for a second rise (40 minutes).
Bake in a preheated oven at 180°C for 30 minutes.