Chocolate filled buns

Add the dry yeast to a bowl with lukewarm milk and let it ferment for five minutes.

Combine the flours in the bowl of a food processor (you can knead it by hand too) and add the kefir and the milk to the yeast mix.

Knead for one minute, then add the remaining wet ingredients (egg yolk, olive oil, and honey). Knead for 10 more minutes, shape the dough into a ball, and

Knead for one minute, then add the remaining wet ingredients (egg yolk, olive oil, and honey). Knead for 10 more minutes, shape the dough into a ball, and leave it to rest for an hour. Knead again to remove the air, then divide into 60g portions.