Chocolate Biscuit Slice

Method 1. Grease and line a pan with baking paper. Place butter, sugar, vanilla and cocoa in a sauce pan over medium heat. Cook, stirring occasionally, for 3 -4mins or untill butter has melted. Set aside to cool approx 5mins. 2. Add egg to mixture prepared earlier. Place pan over low heat. Cook, whisking constanly for 10 mins or until thick and smooth transfer to large bowl. 3. Now add rougly chopped biscuits and stir to combine. Spoon the biscuit mixture into greased baking paper pan. Smooth the surface. Cover and refrigerate it for 2 to 3hours. I usually leave it overnight.