01 -
Line a small tray with parchment paper. Add cold cream cheese, granulated sugar, and vanilla extract to a bowl. Beat with an electric mixer on medium-high speed until the mixture is fluffy and sugar is dissolved, about 2 minutes. Portion into small dollops and freeze until solid.
02 -
Combine fresh blueberries and sugar in a medium saucepan. Cook over medium heat, stirring occasionally, until the mixture thickens and reduces to approximately 1/2 cup. Remove from heat and refrigerate until well chilled.
03 -
Set oven temperature to 350°F. Line two baking sheets with parchment paper.
04 -
In a medium bowl, whisk together all-purpose flour, baking powder, baking soda, and salt. Set aside for later use.
05 -
Place softened unsalted butter, granulated sugar, and lemon zest in a large bowl. Cream the mixture using an electric mixer on high speed for 1 to 2 minutes until very light and fluffy.
06 -
Incorporate the egg and vanilla extract into the butter mixture. Mix on medium speed until the batter appears pale and fluffy, about 1 to 2 minutes.
07 -
Gradually add the whisked dry ingredients to the creamed mixture, mixing until just combined to form a soft dough.
08 -
Add chilled blueberry jam to the cookie dough, folding gently to distribute the jam in streaks without overmixing.
09 -
Scoop portions of dough and flatten gently. Place a frozen cheesecake filling portion in the center and wrap to fully enclose. Roll each stuffed dough ball in granulated sugar until coated.
10 -
Arrange the prepared dough balls onto the lined baking sheets, leaving room for spreading. Bake in the preheated oven for 11 to 14 minutes or until edges are golden. Cool on trays before transferring to a wire rack.