Cat's Tongues

Directions

1. Preheat the oven to 350F
2. Melt the butter on low heat.
3. Mix the sugar and vanilla sugar.
4. Add butter and stir until you obtain a cream.
5. Add the flour and mix well.
6. In another bowl, whisk the egg whites to stiff peaks.
7. Add the previous mixture and gently fold to combine.
8. Put the dough in a pastry bag and squeeze out well-spaced 6 centimeter lines shaped like a cat's tongues ​.
9. Bake for about 10 minutes.
10. Remove from oven, let cool, and store in an airtight container.