Cream butter and sugar together for approximately 7 minutes
Add lemon juice, zest, salt, and all purpose flour
Mix until dough forms, approximately 1 to 2 minutes
Wrap in plastic wrap and refrigerate shortbread dough for 1 hour
Roll dough out until approximately 1/4 inch thick
Use a cookie cutter to cut out cookies
Place cookies on a baking sheet lined with parchment paper
Use a fork to poke holes on the surface of the cookies to ensure even baking
Chill dough for an additional hour before baking
Bake cookies at 350 °F for 12 minutes, or until golden
Remove cookies from oven and let cool on a wire rack until room temperature