Beat cream cheese and Biscoff cookie butter together for about 2 minutes until glossy and smooth.
8 oz cream cheese, 1 cup Biscoff cookie butter
In a separate bowl, whip heavy cream and vanilla extract on medium-high until stiff peaks form.
2 cups heavy whipping cream, 1 tsp vanilla extract
Gently fold whipped cream into the Biscoff mixture until no streaks remain.
8 oz cream cheese, 1 cup Biscoff cookie butter, 2 cups heavy whipping cream
Assembly
Dip each cookie into cold milk for 2 seconds, then arrange a single layer in an 8×4" loaf pan. Spread one-third of the filling over the cookies. Repeat layers twice more.
0.5 cup milk
Cover and refrigerate for at least 8 hours or overnight before slicing.
Notes
Store covered in the refrigerator up to 4 days. Freeze individual slices in airtight containers for up to 1 month.Always discard if left at room temperature for more than 2 hours.