• Line a 28 x 18 cm slice tin with baking paper, making sure that you leave plenty hanging over the sides to help your remove the slice once it has set.
• Crush the biscuits either by using a food processor or a rolling pin until they resemble fine crumbs. Transfer to a large bowl.
• Roughly chop ALL of the peppermint crisp bars and add HALF of the chopped pieces to the bowl with the biscuit crumbs. Set the remaining pieces aside for later.
• Break the peppermint chocolate into squares and place it along with the butter (which has been cut into cubes) into a microwave safe bowl and cook for 30 second spurts on a medium high heat until melted.
• Add the melted chocolate mixture and the condensed milk to the bowl with the crushed biscuits and use a large spoon to mix to combine.
• Pour the mixture into the slice tin, and use the back of your metal spoon to press it down into the tray, creating a flat surface.
• Break the white chocolate into squares and place into a microwave safe bowl. Cook for 30 second spurts until melted and then pour over the peppermint slice and top with the remaining peppermint crisp pieces.
• Place the slice into the fridge to set, and after approximately 2 hours, remove and cut into small slices

Thermomix Instructions

• Line a 28 x 18 cm slice tin with baking paper, making sure that you leave plenty hanging over the sides to help your remove the slice once it has set.
• Place the biscuits into your Thermomix bowl and use the 1 sec Turbo function to crush until they are broken up into approximately 2 – 3cm pieces. Transfer to a separate bowl and set aside until needed.
• Break the Peppermint Crisp Bars in half and place into your Thermomix bowl, blitz for 2 seconds, speed 4 to break into small pieces. Set aside in a separate bowl until needed.
• Without washing the Thermomix bowl, add the butter (cut into cubes), condensed milk and peppermint chocolate which has been broken into squares and cook for 3 minutes, 60 degrees, speed 3. If it’s not quite combined at the end of the cooking time (time taken will depend on temperature of the ingredients), cook for a further 1 minute, 60 degrees, speed 3.
• Add the biscuits and HALF of your peppermint crisp pieces to your Thermomix bowl and mix for 20 seconds, speed 2 REVERSE or until combined.
• Pour the mixture into your prepared tin (it will be a little sticky) and use a metal spoon to spread and flatten the surface.
• Place the white chocolate into a CLEAN Thermomix bowl and cook for 3 minutes, 50 degrees, speed 2 before scraping down the sides and cooking for a further 1 minutes, 50 degrees, speed 2 or until melted.
• Pour the melted white chocolate over the top of your slice and use the remaining peppermint crisp pieces to decorate it. Place it into the fridge for a minimum of 2 hours to set before cutting into small pieces.