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,