Toblerone Mountain Mud Cake

Name: Toblerone Mountain Mud Cake
Prep time: 2 h 30 min
Cook time: 1 h 5 min
Total time: 3 h 35 min
Cuisine: American
Ingredients: 250g Butter, chopped; 200g Toblerone, chopped; 430g (2 cups) caster sugar; 4 eggs; 125ml (1/2 cup) milk; 8.80 gm vanilla extract; 150g (1 cup) self-raising flour; 150g (1 cup) plain flour; 50g (1/2 cup) cocoa powder; Different-sized Toblerones, to decorate; Icing sugar, to dust; 150g Toblerone, chopped; 25g Butter, chopped; 60ml (1/4 cup) thickened cream; 400g milk chocolate, finely chopped; 60g Butter, chopped; 165ml (2/3 cup) thickened cream