1 lb sugar 1oz butter 1/2 pint condensed milk 5oz plain chocolate 2 tablespoons water 1 teaspoon vanilla essence
Put all the ingredients (except vanilla) on low heat until sugar has melted. Turn heat up and boil fairly rapidly for 25-30 mins. Stir occasionally. Then take off heat and stir in vanilla essence. Beat until mixture looks thick and creamy. Turn out quickly into greased tin. When almost cold cut into squares.