. preheat oven to 350° F. Light baking sheets with parchment paper; set aside.
In the bowl of an electric mixer, cream butter and sugar until light and fluffy, 2-3 minutes. Add in vanilla, egg, lemon zest, and juice and beat until blended. Scrape down the sides and mix again.
In a medium bowl whisk together the flour, salt, baking powder, and baking soda. Slowly add dry ingredients to butter mixture, mixing only until just incorporated. Scrape down the sides of the bowl and mix again, very briefly.
Place powdered sugar into a small bowl. Using a cookie scoop, form dough into balls and gently roll in the powdered sugar. Place on prepared baking sheets and bake for 10-12 minutes, until the bottoms of the cookie are just beginning to turn golden brown. Do not over bake. Allow cookies to cool on baking sheets for about 5 minutes before removing to a wire rack to cool completely.