01 - Whisk together flour, baking soda, and salt in a medium bowl. Set aside.
02 - Beat softened butter, granulated sugar, and brown sugar in a large mixing bowl until light and fluffy, about 2-3 minutes.
03 - Mix in egg, vanilla extract, lemon zest, and lemon juice until fully combined.
04 - Gradually fold in dry ingredients until just incorporated. Gently stir in blueberries. Refrigerate dough for 30 minutes for best results.
05 - Blend cream cheese and powdered sugar in a small bowl until smooth and creamy.
06 - Heat oven to 350°F. Line two baking sheets with parchment paper.
07 - Scoop 2 tablespoons of dough, flatten slightly, place 1 teaspoon cheesecake filling in center, and wrap dough around filling to seal completely.
08 - Place cookies 2 inches apart on baking sheets. Bake for 11-13 minutes until edges lightly brown.
09 - Let cookies rest on baking sheets for 5 minutes, then transfer to wire rack to cool fully.