Add the butter to a large bowl or stand mixer and beat it for 1 to 2 minutes, until its smooth and creamy. 1 cup unsalted butter
Add in the powdered sugar, lemon juice, lemon zest, and vanilla extract and beat them well into the butter until light and creamy. 1/2 cup powdered sugar, 1 TBS fresh lemon juice , 1 TBS fresh lemon zest, 1/2 tsp vanilla extract
Add in the flour, and salt and mix it into the butter mixture until just combined. 2 1/4 cups all purpose flour, 1/2 tsp salt
Preheat the oven to 350 F. Line a baking sheet with parchment paper or a silicone liner.
Form the dough into 1inch balls, and place them onto the prepared baking sheet, 1 inch from each other. Place the pan into the fridge to chill for about 15 to 20 minutes.
Bake the cookies for 10 to 12 minutes, or until the bottom of the cookies are light brown, and the sides are firm.
Cool for about 5 minutes, then roll the cookies in the remaining powdered sugar. 1 cup powdered sugar
Transfer them to a cooling rack to cool for another 30 minutes to 1 hour, then roll then in the powdered sugar again and enjoy.