A perfect cake from the first try - with Ferrero Rocher taste, without baking!

A perfect cake from the first try - with Ferrero Rocher taste, without baking! Ingredients: for the cake top: ground biscuits - 200 g (7 oz) hazelnuts - 150 g (5.3 oz) melted butter - 75 g ( oz) milk - 75 g ( oz) IN THE FRIDGE 1 H for the cream: cream - 500 ml (16.9 fl oz) cheese cream - 350 g ( oz) melted dark chocolate - 150 g (5.3 oz) wafers - 200 g (7 oz) dark chocolate - 150 g (5.3 oz) cream - 50 ml (⅕ cup) ground almonds - 100 g (3.5 oz) Ferrero Rocher - 6 pieces IN THE FRIDGE 2 H Tray diameter 20 cm (8 in)