Prepare all the ingredients.

Bring 20 cl water to a boil along with butter and vanilla sugar.

Off the heat, add the flour all at once and mix using a wooden spatula. To obtain a homogeneous dough that does not stick to the sides of the saucepan.

Add the eggs one after another.

Heat the frying oil to 160°C. Place the dough in a pastry bag...

...and cut knobs of dough above the hot oil using scissors.

Leave to brown...

...and drain...

...on paper towel as soon as they are ready.

Sprinkle with icing sugar...

...and dress in parchment paper cones.