Puzzle Shapeed Viennois Biscuit

Prepare all ingredients:

Melt the butter in a small saucepan on low heat.

the eggs.

Add sugar to egg yolks...

...and whisk them in a bain-marie...

... until the mixture begins to thicken.

Add the flour. Do not mix!

Pour the warm melted butter on the preparation.

Beat the egg whites firm.

Delicately add a third of the firm whites to the , along with the flour and butter.

Pour the rest of firm whites on the preparation.

Delicately mix the whole thing always beginning from the center.

Pour the dough in a puzzle shaped silicone mold.

Bake at 180°C...

...for about 35 minutes.

Unmold onto a cooling rack and leave to cool.