Caramel chocolate mousse cake (TM6, Kirsten Tibballs)

Name: Caramel chocolate mousse cake (TM6, Kirsten Tibballs)
Prep time: 2 h
Cook time: 28 h
Total time: 28 h
Yield: 12 portions
Ingredients: oil; 250 g white sugar; 1070 g water; 20 g glucose; 60 g unsalted butter; 10 g vinegar; cold water; 1 gold strength gelatine leaf; 3 egg yolks; 250 g thickened cream; 1 tsp vanilla bean paste; 40 g icing sugar; 20 g hazelnuts, skin on; 40 g hazelnuts, without skin; 4 egg whites; 25 g caster sugar; 1 pinch cream of tartar; 4 egg yolks; 70 g white sugar; 50 g water; 500 g pouring (whipping) cream; 140 g dark chocolate (70% cocoa); 140 g milk chocolate; oil; 8 gold strength gelatine leaves; cold water; 170 g white sugar; 160 g thickened cream; 160 g glucose; 50 g white chocolate