01 -
Warm the oven to 325°F and line two baking trays with parchment paper.
02 -
Whisk the egg with the sugar in a big bowl. Mix in the vanilla or Amaretto. Add almond meal, ground pistachios, and baking powder. Stir until you’ve got a stiff dough.
03 -
Roll dough into balls using a tablespoon of mixture for each. Toss gently in powdered sugar, tapping off any extra. Press lightly into crushed pistachios, pistachio side facing up, and arrange on the trays.
04 -
Cook for 16 minutes, or until the tops crackle and the bottoms turn a light brown.
05 -
Move cookies to a cooling rack. Seal in a tight container and enjoy within 3 to 4 days.