A recipe for making pudding sauce – One large tablespoonful of butter, 1 teacup water, 1/2 teacup milk, scant tablespoonful of flour, grated nutmeg to flavor. Sweeten to taste, add a pinch of salt. Cook and let cool. Beat up yolk of egg, add to sauce, stand on back of stove to heat, not cook. Serve hot over the pudding.