The New Zealand Railways Magazine, Volume 4, Issue 5 (September 1, 1929)
One egg, 1 egg yolk, 4 ozs. buttermilk (a short ½ gill), ½ teaspoonful soda, ¼ teaspoonful salt, 4 ozs. washed bran, 1 ½ ozs, butter. Grease six deep patty tins. Beat the egg and egg yolk lightly, add the bran, salt and soda. Then add the butter-milk and lastly the melted butter. Tightly pack equal quantities into the pans, put into a hot oven of about 450 deg. F., and finish baking in a moderate oven for about 30 minutes, or until the cakes will lift out easily without sticking.
Two eggs, ¼ pint water, 1 tablespoonful olive oil, 1 teaspoonful sodium bicarbonate, ¼ teaspoonful salt, 4 ozs. washed bran. Beat the eggs lightly; add the dry ingredients, then the olive oil and water. Bake equal quantites in six deep patty pans in a moderate oven about 30 minutes, or until the cakes will lift out easily without sticking.