01 - Set oven to 350°F. Line two baking sheets with parchment paper.
02 - Whisk flour, baking soda, and salt together in a medium mixing bowl. Set aside.
03 - Beat softened butter and granulated sugar together in a large bowl until light and creamy, for about 2 minutes.
04 - Add egg, vanilla extract, lemon juice, lemon zest, and grated ginger. Mix thoroughly until blended.
05 - Stir in lemon-lime soda until evenly distributed within mixture.
06 - Gradually add the dry ingredients to the wet mixture, mixing just until the dough is formed.
07 - Scoop dough into tablespoon-sized portions and roll each ball in extra granulated sugar.
08 - Space coated dough balls about two inches apart on prepared baking sheets. Insert a lollipop stick halfway into each ball, maintaining round shape.
09 - Bake in preheated oven for 9 to 11 minutes until edges are lightly golden and centers remain soft.
10 - Rest cookies on sheets for 5 minutes before transferring to wire rack to cool completely prior to serving.