The New Zealand Railways Magazine, Volume 14, Issue 12 (March 1, 1940)
Blackcurrant Tea
Blackcurrant Tea.
One tablespoon blackcurrant jam; 1 teaspoon lemon juice; 1/2 pint boiling water.
Put the jam into a hot jug and pour the boiling water over. Add the lemon juice. Cover for a few minutes. Strain into a hot tumbler and serve at once.