01 -
Crush the Biscoff cookies until the consistency of rough sand. Stir in melted butter and mix until well incorporated. Divide the mixture into a mini muffin pan, about 1 1/2 teaspoons each, and press firmly using a shot glass or muddler. Set aside.
02 -
Using a stand mixer with a paddle attachment or a hand mixer and medium bowl, beat the cream cheese until light and fluffy, about 2 minutes. Add the cookie butter and beat until fully incorporated. Mix in the sour cream, sifted powdered sugar, and vanilla until smooth. Transfer the mixture to a piping bag or zip-top bag with one corner snipped off.
03 -
Pipe the filling evenly into the mini muffin pan, filling nearly to the top. Smooth the tops with damp fingers, cover with plastic wrap, and freeze for at least 1 hour.
04 -
Combine the cookie butter and milk or heavy cream, stirring until smooth and slightly runny. Adjust the consistency with additional dairy if needed.
05 -
Remove the cheesecakes from the pan. Dip the tops of the cheesecakes into the prepared topping and sprinkle with crushed Biscoff cookies. Serve immediately.