Pre-heat the oven to 170ºC, gas mark 3. Sift the dry ingredients into a bowl. Add the oil,
orange juice and rind and using an electric beater, mix for one minute. Add the eggs and vanilla and beat for 45 seconds until well mixed together. Pour into an oiled and lined 900 g loaf tin. Bake for one hour or until the loaf is firm. Remove from the oven and leave in the tin for 5 minutes before turning out onto a wire rack to cool. Heat the butter and juice for the glaze in a small pan, add the icing sugar and stir over a very low heat until smooth. Pour the glaze over the top of the cold loaf and then sprinkle the grated
orange rind on top of the glaze.