01 - Combine crushed biscuits with melted butter in a medium bowl. Press mixture evenly into the base of an 8x8 inch square dish.
02 - In a separate large bowl, whip the chilled heavy cream until soft peaks form.
03 - Gently fold the dulce de leche into the whipped cream until smooth and fully incorporated.
04 - Fold the finely chopped Peppermint Crisp chocolate bars into the caramel cream mixture.
05 - Spread the caramel cream mixture evenly over the biscuit base in the dish.
06 - Sprinkle the grated or finely chopped Peppermint Crisp bar over the top layer.
07 - Cover and refrigerate for at least 4 hours until fully set.
08 - Slice into bars and serve chilled.