Nutella Donut

1. Mix all the ingredients, except butter, for 5 minutes at low speed.
2. Add the butter a little at a time, every 1-2 minutes, until it is fully incorporated.
   This may take 8-10 minutes.
3. Round and smoothen the dough. Ferment for 2 hours in the chiller.

1. Punch the dough and roll it out to a thickness of 1.5 mm. Leave to rest for 15 minutes.
2. Use a dough cutter to cut the dough into pieces of the desired size, and place them on a tray.
3. Proof at 30°C for about 45 minutes, or until the dough doubles in size.
4. Fry at 180°C for about 1-2 minutes or until both sides are golden brown.
5. Remove from pan and leave to cool.

Assembly:

1. Pipe Nutella into the doughnuts.
2. Sprinkle some icing sugar on top.