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Cream Soda Syrup
American Cream Soda Extract, 2 ounces; American Soda Foam, ½ ounce; Simple Syrup, 1 gallon.
This is a fountain formula rather than a home recipe: it assumes you have a dispenser's shelf of branded extracts and a barrel of syrup, and that the finished syrup will be drawn into a glass and topped with carbonated water. The proportions are still useful if you translate the trade names.
- What the finished thing isThe gallon you make here is syrup, not soda. At the fountain, about 1 to 1½ ounces went into the glass and was filled with charged water, so a gallon runs to roughly 85–130 drinks.
- Simple syrup, fountain strengthFountain simple syrup was far heavier than the 1:1 bar syrup used today — typically in the region of 6 to 7 pounds of sugar dissolved per gallon of finished syrup, close to saturation so it would keep. A 1:1 syrup will taste thin and flat by comparison.
- "American Cream Soda Extract"A proprietary branded flavour, not a generic ingredient, so no exact substitute exists. Period cream soda extracts were built chiefly on vanilla, often with a little lemon or orange oil and sometimes a trace of caraway or coumarin-bearing tonka; the last of those is no longer permitted in food in the United States.
- "Soda Foam"A foaming agent, sold to give the drawn drink a head. Commercial soda foams were generally saponin extracts of quillaia (soapbark), sometimes cut with egg albumen or gum. Quillaia extract is still used as a beverage foaming agent and is sold in small quantities to soda makers; it is potent, and the half-ounce per gallon here is a working guide, not a licence to increase it.
- Ounces are by weight or volume?Fountain books are inconsistent. For liquid extracts these are almost certainly fluid ounces, which is how a dispenser would have measured them from a graduate.
- ColourCream soda syrup was often tinted, commonly to a pale gold or straw shade, and some dispensers added colouring separately at their own discretion. The formula as printed specifies no colour, so it will give a pale, near-colourless syrup.
- KeepingA heavy sugar syrup is largely self-preserving, but a home batch of this size will outlive its flavour long before it spoils. Extract-based syrups fade within weeks; make a quart if you are experimenting.
Cream soda has never reliably contained cream. The name appears in American fountain and household literature through the second half of the nineteenth century, applied to a sweet vanilla-flavoured soda whose "creaminess" came from the flavour profile and the head of foam rather than from dairy — though some early formulas did call for egg or cream, and the name is often traced to those. By the time trade manuals like this one were printed, the fountain business ran on proprietary extracts: a dispenser bought labelled bottles from a supply house and combined them by formula, which is why a page like this reads as three brand names and a volume of syrup rather than a list of aromatics. The soda foam is the tell of the period. Carbonated water alone throws a head that collapses at once, and a saponin extract made the drink look richer than it was — a small piece of showmanship that mattered a great deal at a marble counter where the customer watched the whole drink being built.