135g pack green lime jelly
2–3 tsp cocoa powder
125²µ/4½´Ç³ú icing sugar
1 tbsp vanilla bean paste
300g/10½oz chocolate sandwich biscuits, such as Oreos or bourbon biscuits
12 chocolate malted milk balls, such as Maltesers
50²µ/1¾´Ç³ú white chocolate, chopped into small pieces
100g/3½oz unsalted butter, melted
3 x 280g packs full-fat cream cheese
300ml/½ pint double cream