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Canned Pine-Apple
Peel and slice, make syrup in proportion of two and a half pounds best white granulated sugar to nearly three pints of water; boil five minutes; skim or strain; add fruit and let it boil; have cans hot; fill and seal up as soon as possible.
This is open-kettle canning: hot fruit poured into hot jars and sealed with no processing afterward. The method was standard in the 1880s and is no longer considered sound, so the points below explain where it fails rather than how to adapt it.
- No processing step at allThe recipe ends at "fill and seal up as soon as possible." There is no boiling-water bath, no measured processing time, and no headspace given, so nothing in the procedure establishes that the sealed jar has been brought to a temperature that destroys spoilage organisms or that a durable vacuum seal has formed. Use a current tested pineapple canning recipe instead.
- Seals formed by cooling, not by ventingOpen-kettle jars seal on the residual heat of the contents. Air and microorganisms drawn in during filling stay in the jar, and a seal made this way commonly fails weeks or months later, at which point the fruit ferments or moulds without any obvious warning at the moment of opening.
- Acidity is not a guarantee herePineapple is high-acid enough that botulism is unlikely, but overripe or core-heavy fruit can drift upward in pH. Yeasts and moulds, which tolerate the syrup easily, are the practical hazard, and mould growth in canned fruit can raise the pH enough to matter.
- The jars themselves"Have cans hot" assumes tin cans soldered shut or glass jars with wax-sealed or zinc-and-rubber closures, all of which behaved differently from modern two-piece lids. A modern lid is designed to vent during processing; it is not designed to seal reliably on hot fill alone.
- What the syrup ratio tells youTwo and a half pounds of sugar to nearly three pints of water works out at roughly 45 percent sugar by weight, in the range of a heavy syrup by present standards. That is a preservative concentration typical of the period, but sugar syrup slows spoilage rather than preventing it and was never a substitute for heat processing.
- Boiling the fruit "until it boils"Boiling the fruit -- the recipe says only "add fruit and let it boil", with no time given. Sliced pineapple left to simmer in heavy syrup loses its bite and turns translucent and slack; tested modern hot-pack directions give a set simmering time rather than leaving it open-ended.
The Dixie Cook Book belongs to the generation of American household manuals that arrived just as home canning became a mass practice. Pineapple in a Southern kitchen of this period came by ship and rail from Cuba, the Bahamas and the new plantings in south Florida, and it was a luxury fruit bought whole and used at once. Large-scale Hawaiian canning, which would eventually make tinned pineapple an everyday pantry item, was still ahead. The recipe calls for skimming or straining the syrup, and specifies "best white granulated" sugar.