Mix all ingredients (A) on low speed for 3 minutes, then on high speed for 5 minutes.
Divide the dough into 100 g portions.
Coat each dough portion with breadcrumbs.
Shape each portion into a round bun.
Proof at 37°C with 85% humidity for 90–100 minutes.
Bake at 200°C (top heat) and 180°C (bottom heat) for 10 minutes.
Allow the buns to cool completely.
Knead the bottom of each bun as shown in the attached picture.
Apply ingredient (B) to the bun.
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