Put all ingredients except for the crunchie bars into the slow cooker cook on high for 45 mins stirring every 15 mins until ingredients are melted.

Cut up your crunchie bars into small pieces except for half of one crunchie bar which will be used to decorate the top of the fudge.

Mix crunchie through the chocolate mix line a tray with baking paper pour the mixture into your tray and smooth out then take your half of a crunchie bar that's left and sprinkle over the top of the fudge

Set in the fridge for 4 hours or over night.