Chocolate Chip Bread Buns

1. Mix the dry ingredients (bread flour, cake flour, cocoa powder, yeast, sugar, salt) in a stand mixer.
2. Mix at medium speed for 5 minutes until fully incorporated.
3. Add in the 100g semi sweet chocolate chips and continue mixing.
4. Add in the room temperature butter and mix for another 10 minutes.
5. Let the dough rest and rise until it doubles in size (first proofing).
6. Cut the dough into 40g portions.
7. Shape each portion into a ball, and then roll it out until round.
8. (Optional) Place extra chocolate chips into the center of each rolled-out dough.
9. Fold the dough well to seal the chocolate chips inside.
10. Let the shaped buns sit and rise again until they are 1.5 times larger (second proofing).
11. Dust with bread flour before baking for aesthetic purposes.
12. Bake at 350°F (175°C) for 25-30 minutes.