01 - Preheat oven to 350°F. Line baking sheet with parchment paper.
02 - Whisk almond flour, granulated sugar, baking powder, and salt in large bowl.
03 - Beat eggs in separate bowl. Add lemon zest, juice, and vanilla. Mix thoroughly.
04 - Pour wet ingredients into dry mixture. Stir until soft, slightly sticky dough forms.
05 - Place powdered sugar in shallow bowl for rolling.
06 - Scoop tablespoon-sized dough portions, roll into balls, coat generously in powdered sugar.
07 - Place cookies 2 inches apart on prepared baking sheet.
08 - Bake 12 minutes until set and crinkled tops appear.
09 - Cool on baking sheet 5 minutes. Transfer to wire rack to cool completely.