Grease 1lbs loaf tin, sift flour with salt on to paper.
Put chopped dates in bowl, sprinkle with bicarbonate of soda, pour boiling water over them leave them to cool.
Cream together the fat, vanilla essence and sugar.
Separate egg yolks from whites and beat yolks into the sugar mixture.
Blend in sifted flour, dates and water and chopped walnuts
Whisk egg whites until stiff and then fold into the mixture.
Turn into prepared tin and bake in moderate oven (375 degrees) for 1 - 1 1/4 hours
Turn out and cool on wire rack.