Line a 20 cm by 20 cm tray with cling film or parchment paper.
Place the biscuits into a plastic bag and smash them with a rolling pin until broken into small pieces, the tip them into a bowl. Add the dried fruit or berries, 1 tbsp of pistachio spread and toasted pistachio nuts. Stir to combine.
In a separate bowl, melt the butter, honey with the dark and milk chocolate over a saucepan of simmering water.
Pour the chocolate and butter mixture over the biscuit mixture and combine and stir until all the ingredients are coated with the chocolate mixture.
Spoon the mixture into to prepared tin into a 2-3 cm thick texture maximum and press down. Place in the fridge to set for 30 minutes.
Melt the white chocolate and spread over the top with a spatula spooning the pistachio spread swirling around the mixture.
Sprinkle with extra crushed pistachio if desired.
Transfer to set in the fridge for 3 -4 hours then, cut into pieces or squares.
Enjoy within a few days.