2. Start the Bread Dough
Add the bread flour, all-purpose flour, wheat flour, 30 grams of the granulated sugar, malt powder, and salt to the mixer bowl. Stir in the eggs, egg yolk, milk, and water.
Mix the dough on low speed until it comes together and up the hook of the mixer, about 8 minutes. Add the remaining 29g granulated sugar and mix until incorporated, 3 to 4 minutes.