Dissolve the fresh yeast in the lukewarm milk, leave for 4-7 minutes to activate.
Add and mix the egg yolks, vanilla sugar and oil.
Sift the flour, mix then knead until the dough becomes smooth and elastic,
cover with a towel and let rise for 1 hour.
Roll out the dough to a thickness of 1 cm.
Cut out round shapes.
Place the doughnuts on sheets of paper, cover with a towel and let rise for 30 minutes.
Fry the doughnuts in a bath of oil over medium heat until they are nicely browned on each side.
We take them out onto paper towels and let them cool for a bit.
Fill with jam or melted chocolate as desired.
Enjoy.
