Steps to make the cake:
Using a hand or stand mixer, beat the butter and sugars together on medium speed until light and fluffy (approximately 5 minutes).
Add the cream cheese and mix then add the cookie butter and mix just until combined.
Add the eggs to the batter one at a time, blending until combined after each addition.
Next, add the vanilla extract. Mix in the flour 1 c at a time just until combined.
Lastly, fold the crumbled cookies into the batter. Pour your batter into a 12-cup bundt pan sprayed with baking spray or similar.
Place the cake in your preheated oven and bake for an hour to an hour and a 15 minutes at 325 degrees.
Steps to make the topping:
Heat the cookie butter in a microwave-safe dish for 30 - 45 seconds.
Pour the cookie butter over the cake as you desire.
Sprinkle the crushed Biscoff cookies over the cake as desired.
Allow the icing to set then serve and enjoy!