Put your mixing bowl in the freezer for 10 mins till cold, add your cream cheese and whip till creamy, then your whipping cream and powdered sugar (optional) till you get stiff peaks.. Fold in all your ingredients.
Crush up one pkg of Graham crackers... In a microwave bowl melt 1/4 cup butter and pour over crackers and put in your springform pan that has been bottom lined with parchment paper and sides buttered.. Crush your crackers down to build the crust.. Place the crust in the fridge to set up for 10 mins.
Pour your mix in the springform pan, top with crushed grahams, handful of chocolate chips, handful of toffee bits, and marshmallows. Melt some of your chips up and microwave and drip them over the top. Let chill for 4 hours.