For the base, crush chocolate biscuits into fine crumbs. Mix with melted butter, press into a springform pan, and refrigerate to set.
For the filling, dissolve gelatin in boiling water. In a blender, mix sugar, lemon juice, cream cheese, and cream until smooth. Add the gelatin mixture, Baileys, and butterscotch liqueur, blending well.
Stir in crumbled chocolate honeycomb, pour onto the biscuit base, and refrigerate to set.
Garnish with additional chocolate honeycomb pieces before serving.