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Rose Egg
One-half ounce rose syrup, ½ ounce pineapple syrup, ½ ounce vanilla syrup, ½ ounce orange syrup, 1 ounce of plain cream, ¼ glass shaved ice. Shake, strain, toss and serve.
A soda-fountain formula from the era when a dispenser worked from a rail of numbered syrup pumps. It scales to a single tall glass and needs almost no equipment beyond a shaker and a jigger.
- The missing eggNothing in the ingredient list is an egg, though the name and the shake-and-toss handling both belong to the fountain's "egg drink" family, where a whole raw egg went into the shaker. Either this is a mock version built on cream alone, or the egg was assumed by any dispenser reading it. If you add one, use a pasteurized egg, since it is never heated.
- Ounces are fluid ouncesEvery measure here is poured, not weighed. Half an ounce is one tablespoon. Fountain syrup pumps were often calibrated to deliver roughly an ounce per stroke, though the measure varied from fitting to fitting.
- A quarter glass of shaved iceFountain glasses of the period commonly ran from about 8 to 12 ounces, so this is roughly 2 to 3 ounces of finely shaved ice, not cubes. Shaved ice chills and dilutes fast in a short shake; cubes will under-dilute a drink built on 3 ounces of straight syrup.
- Plain creamUnsweetened and unwhipped, roughly what is sold as light or single cream at 18 to 20 percent fat. Half-and-half stands in acceptably; heavy cream makes it cloying against this much sugar.
- Rose syrupA rose-water syrup, sold today as gulab or rose sharbat in Middle Eastern and South Asian groceries. It is potent and the half-ounce is deliberate — more and the drink tastes of soap.
- TossAfter straining, the mixture was poured back and forth between two vessels held apart to aerate it and build a light head.
- Sweetness and yieldThree ounces of fountain syrup, all of it heavily sweetened, in a drink of about 5 ounces finished. Most modern palates will want the orange cut to an ounce, or the whole thing lengthened with 2 to 3 ounces of soda water. It serves one.
Soda fountains of the late nineteenth and early twentieth centuries kept a dozen or more flavored syrups on tap, and the trade's recipe books — collections of formulas for druggists and dispensers — filled page after page by ringing changes on the same handful of pumps. "Egg" drinks were a recognized category, shaken rather than drawn, and sold as something more nourishing than a plain soda at a time when the fountain often sat inside a pharmacy and traded partly on that association. Rose syrup, now unfamiliar in American drinks, appears in fountain formularies of the period alongside violet and orgeat, part of a floral vocabulary in confectionery that later gave ground to chocolate, cola and fruit. The instruction to "toss" belongs to counter craft: a pour between two vessels that aerated the cream in front of the customer.