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Bisque Ice Cream
Three pints of very rich cream, one quart of fresh clabber; boil in a teacup of sweet milk one vanilla bean; sweeten to taste; one can of condensed milk. Churn three minutes and freeze.
The wording is terse even by the standards of turn-of-the-century ice cream chapters, and one ingredient puts the whole thing out of reach of a modern kitchen.
- Clabber is raw milk soured at room temperatureA quart of "fresh clabber" meant whole unpasteurized milk left in a covered crock in a warm room until it set to a soft curd, usually a day or two. It relied on the wild lactic bacteria already present in the milk of a known cow, and on the household's judgment about when the crock had turned pleasant rather than foul.
- Nothing in the recipe is ever heatedOnly the teacup of milk holding the vanilla bean is boiled. The clabber, the three pints of cream and the condensed milk go into the freezer can cold. Raw milk can carry Listeria, Salmonella, Campylobacter and Shiga toxin-producing E. coli, and none of these are addressed anywhere in the method.
- Freezing preserves pathogens rather than destroying themIce cream is a poor vehicle for contaminated dairy precisely because the mix is chilled, held and then eaten cold. Freezing halts bacterial growth; it does not reliably destroy the organisms already present.
- Modern milk will not clabberModern milk will not clabber reliably -- Pasteurization kills most of the lactic bacteria that give a clean curd, and pasteurized milk tends to spoil by putrefaction instead, so the ingredient cannot simply be reproduced from a supermarket carton. If you want a bisque ice cream, work from a current recipe with a cooked custard base.
- What the quantities tell youThree pints of cream, a quart of clabber and a can of condensed milk come to something close to three quarts of mix before freezing, which would suit one of the larger hand-crank freezers. The size of 'a teacup' is not defined on this page; period usage runs from roughly four to six fluid ounces.
- "Churn three minutes and freeze"The two verbs most likely describe one machine. The mix was worked briefly to combine and aerate, then packed round with ice and coarse salt and cranked until stiff. Nothing in the wording requires a separate churning vessel, though the recipe does not say either way.
"Bisque" in nineteenth-century American ice cream chapters is generally traced to biscuit, and usually signalled a frozen cream carrying crushed macaroons, ratafias or almond biscuits, sometimes browned almonds instead. This version keeps the name but drops the biscuit entirely, relying on clabber and condensed milk for body and a faint tang. The condensed milk is the modern touch: canned sweetened condensed milk had been a commercial staple since around the middle of the century and by 1900 was cheap and shelf-stable, and its sugar and milk solids gave a softer, less icy result than cream alone. The clabber points the other way, to a farm kitchen with its own cow and a crock on the shelf, and the recipe sits at the join between the two worlds.