01 - Whisk together flour, baking soda, and salt in a medium bowl. Set aside for later use.
02 - Beat softened butter, granulated sugar, and brown sugar in a large mixing bowl until light and fluffy, approximately 2-3 minutes.
03 - Mix in egg, vanilla extract, lemon zest, and lemon juice until thoroughly combined.
04 - Gradually incorporate dry ingredients into wet mixture, mixing until just blended. Avoid overmixing.
05 - Gently fold blueberries into dough. Refrigerate for at least 30 minutes to prevent spreading during baking.
06 - Whisk cream cheese and powdered sugar in small bowl until completely smooth.
07 - Heat oven to 350°F. Line two baking sheets with parchment paper.
08 - Scoop 2 tablespoons dough, flatten slightly, place 1 teaspoon cheesecake filling in center, and wrap dough around filling to seal completely.
09 - Place filled cookies 2 inches apart on prepared baking sheets.
10 - Bake for 11-13 minutes until edges begin to lightly brown. Centers should remain soft.
11 - Let cookies rest on baking sheets for 5 minutes, then transfer to wire rack to cool completely before serving.