For the Base:
- 2 cups (about 200g) Marie biscuits, crushed into fine crumbs
- 1/4 cup (57g) unsalted butter, melted
- Pinch of salt
For the Caramel Layer:
- 1 cup (200g) granulated sugar
- 1/2 cup (120ml) heavy cream, at room temperature
- 3 tablespoons (43g) unsalted butter
- 1/2 teaspoon sea salt
- 1 cup (140g) cashews, roughly chopped
For the Chocolate Topping:
- 1 cup (170g) dark chocolate chips or chopped dark chocolate
- Flake salt for sprinkling (optional)