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Quince Jelly
Remove the down with a dry cloth, also remove the blossom end, and cut the fruit in pieces, using seeds and cores. If very light-colored jelly is desired, the seeds should not be put in; but if they are omitted, the juice must be boiled after dripping thirty minutes instead of twenty. Add water to the fruit until it can be easily seen all through it, but not enough to cover it. Allow only three-fourths of a pound of sugar to a pint of juice. If you wish to know how many glasses to have in readiness, weigh the quinces after they are cut in pieces and ready for boiling; twelve pounds will generally yield nine pints of juice, which will make two dozen glasses.
A no-pectin jelly that relies entirely on the quince itself, which is one of the most pectin-rich fruits in the kitchen. The instructions assume you know how to run a jelly bag and seal a glass, so those are the gaps worth filling.
- The hinge: the seeds are the pectinThe hinge: the seeds — Quince seeds and cores add gelling substance (the seeds are rich in mucilage), which is why leaving them in shortens the boiling of the strained juice from thirty minutes to twenty. If you want the paler jelly and omit them, expect the longer boil the recipe specifies.
- DownQuinces carry a greyish fuzz that traps dust, and the recipe has you rub it off with a dry cloth rather than washing it. A rough towel does it in seconds.
- "Glasses"The arithmetic gives the answer: nine pints of juice filling two dozen glasses means roughly six ounces each. In modern terms, nine pints is eighteen cups, which on the same arithmetic would fill about eighteen half-pint jars.
- Sugar ratioThree-quarters of a pound of sugar to a pint of juice is about 1 2/3 cups sugar to 2 cups juice — lean by modern standards, and possible only because quince pectin is so strong. Do not increase it hoping for a firmer set; excess sugar gives syrup, not jelly.
- Judging the setThe book gives no test. Cook the sweetened juice to about 220°F at sea level (lower at altitude), or until it sheets off a cold spoon in a curtain rather than dripping in beads. A saucer chilled in the freezer gives the same reading in less time.
- StrainingLet the cooked fruit drip through a scalded cloth or jelly bag under its own weight. Squeezing the bag forces pulp through and gives cloudy jelly, which matters here because the point of the seed-free version is clarity.
- SealingPeriod practice was to pour the jelly hot and cap it with melted paraffin. Paraffin seals are no longer recommended — they fail invisibly and mould grows beneath. Fill clean hot half-pint jars, leave a quarter-inch of headspace, and process in a boiling water bath per current guidance.
- The seeds themselvesQuince seeds contain small amounts of cyanogenic compounds, as apple and pear seeds do. They are strained out with the pulp and the jelly is fine; simply discard the spent pulp rather than eating or grinding it.
Quince (Cydonia oblonga) was a fixture of American and English preserving long before it fell out of the market, valued precisely because it is hard, sour and astringent raw — rarely eaten fresh, transformed by sugar and heat, turning from pale yellow to deep rose as it cooks. Its Portuguese name, marmelo, gives us the word marmalade, which originally meant a stiff quince paste rather than anything to do with oranges. In a household manual of this kind, quince belongs squarely among the preserving instructions: it ripens late, keeps poorly, and gels reliably without the commercial bottled pectin that only became widely available in American kitchens in the following decade. The care taken here over clarity — light jelly versus dark, seeds in or out — reflects a period when preserves were judged on the shelf and at the table by how they looked in the glass.