Add yeast, honey and milk to the bowl of a stand mixer, and dissolve the yeast.
Add butter, eggs and vanilla and mix for 1 minute.
Now add all the flour and let the mixer knead until the dough pulls away from the sides.
Once the dough pulls away from the sides, knead for an additional 5 minutes on medium speed.
Let the dough rise for 1.5 hours under a clean cloth on the counter.
Shape the buns and place them on a baking sheet lined with parchment paper, let the buns rise again under a cloth for 30 minutes.
Preheat the oven to 180°C (350°F) fan-forced.
Brush the buns with a beaten egg.
Place the buns in the preheated oven for 20 minutes.