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Gooseberry Jam
Take the tops and stalks from some light-coloured gooseberries, rather under-ripe, and allow one pound of loaf sugar, and the finely-grated rind and juice of half a lemon, to every pound of fruit. Put the berries into a saucepan, strew the sugar, etc., over them, add a little water, to prevent burning, bring them to a boil, and skim carefully. When the jam has boiled about a quarter of an hour, put a little on a cold plate. If it jellies, even slightly, it may be taken from the fire, and poured into jars. Probable cost, 7d. or 8d. per pound.
A plain equal-weight preserve that depends entirely on the gooseberries being under-ripe, where pectin and acid are at their peak. Everything else is timing.
- The hinge: pick them greenFully ripe gooseberries have lost much of their pectin and will give a syrup rather than a set. Firm, pale, slightly under-ripe fruit is not a stylistic preference here but the reason the jam gels in fifteen minutes without added pectin.
- Loaf sugarLoaf sugar was refined sugar sold in a solid cone and broken up for use. Ordinary granulated white sugar is the direct equivalent, weight for weight; there is no need for jam sugar with pectin added.
- Equal weightsOne pound of sugar to one pound of prepared fruit, so weigh the gooseberries after topping and tailing. Two pounds of fruit and two of sugar gives roughly three pounds of jam, or about six half-pint jars.
- "A little water"Unhelpfully vague. About 1/4 cup per pound of fruit is enough to get the sugar dissolving before the berries release their own juice; more than that simply lengthens the boil.
- The cold plate testKeep a saucer in the freezer. Drop a teaspoon on it, wait half a minute, and push the edge with a fingertip: a skin that wrinkles means setting point. The instruction to stop when it jellies "even slightly" errs on the soft side, which suits gooseberries, but a further minute or two gives a firmer preserve.
- Quarter of an hour is a guideA wide, shallow pan reaches setting point faster than a deep one because water escapes more freely. Boil hard and uncovered, and judge by the plate rather than the clock.
- SkimmingThe original skims as the fruit comes to the boil. In modern practice one skimming near the end is usually enough, since each skimming takes jam with it, and a very small piece of butter stirred in at the finish disperses most of the foam.
- Filling and keepingThe original simply pours into jars, which relied on a paper cover and a cool larder. For shelf storage, fill sterilised jars and process in a boiling water bath according to a current preserving guide; otherwise cover, cool and keep in the refrigerator.
- The costing"7d. or 8d. per pound" is pence in pre-decimal British currency, included so a cook could compare making with buying. It is of no use as a modern price.
Gooseberries were a British garden staple long before they were a commercial crop, grown by cottagers and competed over at gooseberry clubs in the industrial north of England, where growers weighed their heaviest berries against one another. The fruit is naturally high in both pectin and acid, which is why gooseberry jam appears in Victorian manuals as one of the simplest preserves: no added pectin, no long standing with sugar, just fruit, sugar and a quarter of an hour. Cassell's inclusion of a probable cost per pound is typical of the household dictionaries of the 1870s onward, which treated the kitchen as a department to be budgeted; the lemon rind and juice here reinforce the acid the set depends on.