(Yudane) Mix 30g of boiling water with 30g of whole wheat flour and let cool.
In a large bowl, combine whole wheat flour, dry yeast, salt, and sugar. Mix well.
Add water and olive oil, then mix together.
Add the cooled yudane and knead for 3 minutes.
Let rest for 10 minutes.
Knead the dough for about 2 minutes.
Ferment at a warm temperature for at least 50 minutes.
Dust the surface with flour, divide the dough, round it, and let rest for 10 minutes.
Dust the surface with flour, shape as desired, and ferment for 30 minutes to 1 hour.
Preheat to 200°C, then bake in air fryer at 180°C for 20–25 minutes.
Adjust the baking time based on color; when the bread is golden brown, it's done.