Line a slice tin with baking paper, making sure you leave plenty hanging over the edge to help you lift the slice out of the tin later.

Crush the biscuits into large pieces using a food processor, or a rolling pin will also work! Place the crushed biscuits into a large bowl and set aside.

Place the butter and condensed milk into a small saucepan and cook it over a low heat until the butter has melted and both ingredients have combined.

Break the Salted Caramel Chocolate into pieces and place it into a microwave safe bowl and cook for 30 second spurts until the chocolate has almost melted. Stir with a metal spoon until the chocolate has completely melted.

Pour the combined condensed milk and butter along with the melted chocolate into the bowl with the crushed biscuits. Use a large metal spoon to mix together.

Pour the mixture into your lined baking tin and use the back of a metal spoon to spread the mixture evenly across the tray and push down to create a flat surface.

Break the milk chocolate into small pieces and place it into a microwave safe bowl. Cook for 30 sec spurts (stirring in between) until the chocolate has almost melted. Remove from the microwave and stir until completely melted.

Pour the melted chocolate over the top of the slice and place in the fridge to set (preferably 4+ hours).

Remove the set slice from the fridge and cut into small pieces.