Ingredients:
For the biscuit:
* 75g sugar + 1 tablespoon
* 25g melted butter
* 4 egg yolks
* 3 egg whites
* 75g flour
Salted butter caramel
*50 g sugar
*15 g of semi-salted butter
*5 cl of liquid crème fraîche
For decoration
*Powdered sugar and caramel
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