[header] How to make langue de chat biscuits [title] Preheat the oven to 220ºc/425ºf. [step] Prepare the baking tray (sheet) by greasing or covering with parchment paper. [title] Place the sugar, flour and vanilla sugar into the mixing bowl. [step] Stir to combine.
[title] Whisk the 3 egg whites together until stiff. [step] Fold them into the dry mixture gently.