1 pkt of wine biscuits, 1/2 cup of sultanas (& nuts), 4 oz butter, 1 egg, 1 heaped tbsp cocoa. Vanilla essence.
Crumble biscuits up finely and add the sultanas. Melt together butter , sugar, cocoa and vanilla, then add beaten egg stirring so that it blends in nicely to make a syrup. Pour over biscuits est, stir well.
Press into a sponge roll tin and let it set.
Ice with chocolate icing.
For a variance , double the recipe and use 1 pkt wine biscuits and 1 pkt malt biscuits.