Hazırlanışı
1Combine 500g bread flour, 20g yeast, 120g eggs, 150g milk, 70g sugar, and 10g salt in a bowl to form the dough.
2Knead 150g softened butter into the dough until smooth, then let it rise in a warm place until doubled in size.
3Whisk 250g milk, 40g egg yolks, 50g sugar, 20g cornstarch, and 5g vanilla extract in a saucepan over medium heat until thickened.