Crush the Lotus Biscoff biscuits into fine crumbs and mix with the melted butter.
Press the mixture firmly into a lined 20–23cm springform tin and chill for 30 minutes.
Beat the cream cheese until smooth.
Mix in the icing sugar, vanilla extract, and Biscoff spread until fully combined.
Whip the double cream to soft peaks and gently fold it into the cheesecake mixture.
Spoon the filling over the chilled biscuit base and smooth the top.
Refrigerate for at least 6 hours, preferably overnight.
Melt the remaining Biscoff spread and drizzle it over the cheesecake.
Decorate with crushed Lotus Biscoff biscuits and whole biscuits before serving.