Recipes from The Inglenook Cookbook by The Sisters of the Brethren Church (1906)
RECIPES FOR THE SICK
EGGNOG #1
To 1/2 glass of milk add the yolk of 1 fresh egg; beat well together, sweeten and flavor to taste and then stir through the mixture the white of the egg beaten to a stiff froth. The result will be a pleasant and nourishing food for invalids. To add to its strengthening qualities, 2 teaspoonfuls of wine or brandy may be added if desired.