01 - Line a baking sheet with parchment paper. Scoop 12 heaping teaspoons of Biscoff spread onto the sheet. Freeze for at least 30 minutes until solid.
02 - Preheat oven to 350°F. Line another baking sheet with parchment paper.
03 - In a large bowl, beat together softened butter, brown sugar, and granulated sugar until light and fluffy, about 2-3 minutes.
04 - Mix in the egg and vanilla extract until fully incorporated.
05 - In a separate bowl, whisk together flour, baking soda, and salt.
06 - Gradually add dry ingredients to wet mixture, mixing just until combined. Fold in white chocolate chips and crushed Biscoff cookies.
07 - Scoop 2 tablespoons of dough per cookie. Flatten in palm, place a frozen Biscoff ball in center, and wrap dough around it, sealing completely.
08 - Place stuffed dough balls on prepared baking sheet, spacing 2 inches apart. Refrigerate for 15 minutes.
09 - Bake for 11-13 minutes until edges are golden and centers are just set. Cool on tray for 5 minutes before transferring to wire rack.