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Baked Preserved Pears
Any small, hard pears may be baked for preserving with the best results. Place in layers in a crock with some lemon peel; cover with water and molasses, half and half; set on the back of the stove all night and bake all next day in a slow oven. Longer cooking will not impair but improve if done slowly enough. The fruit will become dark red in colour. Cook down the syrup; pour over the pears when done and the fruit has been placed in heated jars.
This is an open-kettle preserve: hot fruit and syrup packed into heated jars with no processing step, no acidification, and no measured quantities. That method is no longer considered safe, and the points below explain why this particular recipe fails rather than how to rescue it.
- No processing after fillingThe pears and syrup go into heated jars and stop there. Nothing in the recipe brings the sealed jar to a temperature that destroys the mould, yeast and bacterial spores introduced during packing, and a seal formed by cooling contents alone is unreliable. Use a current tested recipe from a food-preservation authority if you want shelf-stable pears.
- Pears sit on the pH borderlinePears sit toward the acid side but not far from the line -- ripe pears commonly run around pH 3.5 to 4.6, near the 4.6 threshold below which Clostridium botulinum cannot grow. Modern directions for Asian pears call for a measured amount of added acid, usually bottled lemon juice; standard pears are normally canned without added acid but with a timed boiling-water process. Grated lemon peel contributes essentially no acidity to the syrup.
- Molasses hides spoilageThe recipe expects the fruit to turn dark red, and the molasses syrup is opaque and near-black. Discolouration and cloudiness, the usual visual warnings that a jar has gone off, are invisible in a preserve this dark.
- No quantities at allThere is no weight of fruit, no volume of syrup, no jar size and no headspace. Nothing here can be scaled, tested or reproduced with any consistency, which is the minimum a preserving recipe has to offer.
- Overnight at stove temperature"Set on the back of the stove all night" means holding a crock of wet fruit for hours somewhere between warm and hot. On a modern range that translates into a long stretch in the 40-140F range where bacterial growth is fastest, before any cooking begins.
- What the terms meanA slow oven is usually reckoned at somewhere around 250-325F, and the crock is a lidded stoneware or earthenware pot used for long, gentle baking. Small hard pears, sometimes sold as stewing or cooking pears, are the intended fruit; softer dessert varieties tend to collapse.
- If you only want the dishLong-baked pears in a molasses and lemon syrup, eaten within a few days and kept refrigerated, are an ordinary baked fruit and pose no unusual risk. It is the jarring for storage that this recipe gets wrong.
Hard cooking pears — the old warden and other keeping varieties — were valued for their keeping quality and their suitability for cooking, and they survived months of slow treatment. Their high tannin and low sugar content rewards exactly the technique described here: hours at low heat, during which the flesh darkens to the deep red or mahogany colour the writer promises, a change generally attributed to the slow reaction of the fruit's phenolic compounds under prolonged gentle cooking. The overnight rest "on the back of the stove" belongs to the coal or wood range, where the firebox end stayed hot and the far end held a steady low warmth all night for little or no extra fuel; that residual heat appears to have shaped a fair amount of nineteenth-century preserving. Molasses rather than refined sugar points to the same economy, and to an American kitchen where molasses was the cheaper sweetener. The casual final instruction — pour over, jar, done — reflects the open-kettle practice that was common in home preserving before boiling-water processing became standard advice in the early twentieth century.