Using a KitchenAid stand mixer
begin to cream the biscoff spread and white sugar together (for about 1 minute). Turn the mixer off, add the whole milk and slowly mix. Once the milk has started to mix in with the Biscoff spread turn up the speed of the mixer and mix until well incorporated and soup like (around 5 minutes). Add the heavy whipping cream to the mixture until its combined (about 1 minute).