Madeleines (Slideshow version)
Stage 11/11 :
Turn out while still warm and cool on a rack.Remarks
At step 7 you can also simply put the dough in the bowl in the fridge overnight, then pipe or spoon it the next day.You don't have to make a hazelnut butter, a simple melted butter will work too, but it won't taste as good.
If you don't have vanilla sugar, replace with the same weight of sugar and a teaspoon of vanilla extract.