Mix confectionery sugar in a bowl, beat until creamy.
Add the egg, almond, and vanilla extract and whisk.
Pour in the sifted flour with salt and baking powder, mix until smooth.
Form into 1 "balls, place on a baking sheet lined with parchment 2" apart. Bake in an oven preheated to 350F for 10 minutes.
Cool on a wire rack and sprinkle with confectioner's sugar.