Cocoa Nibs Thumbprints

Pour la recette en Français cliquez ici Ingredients 115 g butter at room temprature 100 g of sugar 1 egg yolk, lightly beaten (large size) 1 teaspoon of natural vanilla extract vanilla powder 180 g flour A pinch of coarse salt 160 g of peeled roasted hazelnuts and ground cocoa nibs 1 egg white,(...)