Chocolate Almond Cookies

步骤：
1-Combine the cacao powder and powdered sugar and set aside
2-Mix on high speed the egg whites with the pinch of cream tartar
3-While mixing add the sugar in batches until medium peak
4-Add the almond flour, followed by the cacao powder mixture and the almond extract
5-Mix until all is well combined
6-Transfer the dough to a pastry bag and pipe it into a silicone pan
7-Top with sliced almonds and bake at 320° F/ 160° C for 14 minutes (Baking temperature may vary depending on the oven)
Enjoy!