The New Zealand Railways Magazine, Volume 14, Issue 3 (June 1, 1939)
Kidneys on Toast
Kidneys on Toast.
Mince two sheep's kidneys, put half an oz. of butter into a saucepan, and when quite hot put in the pieces and fry for five minutes, stirring all the time. Add the beaten yolk of an egg, salt and pepper to taste. Serve on buttered toast.