Cheerio! A Book of Punches and Cocktails by Charles (1928, p.46) — Cheerio 1928

1 partbrandy base
1 dashAromatic bitters — bittersbitter
Seltzer water — seltzerdilution
1 partItalian vermouth — Italian Vermouthmodifier
ice — cracked iceother
0.5 spoonfulpowdered sugar sweetener
  1. Stir the brandy, Italian vermouth, powdered sugar, and bitters until the sugar is dissolved.
  2. Fill a Delmonico glass with cracked ice, pour in the mixture, top with seltzer, and serve.

Ice: Cracked ice

See also: Metropole Cocktail, Brandy and Ginger Ale

Source notes a dry version may be made with French vermouth and no sugar.