Combine yeast and milk together and give it a mix.
In another bowl, combine flour, sugar, salt, egg and yeasted mixture.
Mix them until it is almost forming into a dough, add melted butter.
Keep kneading it until all combined.
Then leave it aside to rest for 45 mins.
Use a rolling pin and roll it out. Use a donut cutter and cut them.
Brush it with some egg wash.
Grease your air fryer pan before placing the donut dough into the pan.
Air fry it at 170c for 6 mins.
Once done, it is ready to serve. Dip it into chocolate sauce or drizzle with some chocolate sauce.