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Dessert

Pear Preserves

A preserve made by cooking pears with sugar and lemon until a thin jelly forms.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 3 ingredients
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Why it works: Pear and lemon work together. They rank in the top 13% of all ingredient pairs, and cooks put them together in 942 recipes. Both carry alpha-pinene, which smells pine, turpentine. The science ↓

Pear Preserves

Ingredients

Directions

Prepare the pears

  1. Pare and quarter the pears.

  2. Weigh the pears; if they are hard, boil in a little water until soft.

Make the preserves

  1. Add sugar, pound for pound, to the soft pears.

  2. When nearly done, add a sliced lemon for every four pounds of fruit.

  3. Cook until the syrup forms a thin jelly when cold.

Recipe from a historical cookbook (Internet Archive).

Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.

Explore the science

The flavor team

The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.

  1. Pear + lemontop 13% of all pairs
    Smell alikemoderate
    Cooked together942 recipes

    Shared aroma: alpha-pinene (pine, turpentine).

  2. Pear + sugartop 17% of all pairs
    Smell alikelow
    Cooked together2,079 recipes

    Shared aroma: 1-penten-3-one (fish, pungent).

  3. Sugar + lemontop 18% of all pairs
    Smell alikelow
    Cooked together53,532 recipes

    Shared aroma: 2-nonenal (fatty, green).

Sugar and lemon barely smell alike, yet cooks put them together in 53,532 recipes: they work on texture and structure more than aroma.

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Pears
Provide the fruit base and bulk, softening as they cook into a spoonable preserve.
Sugar
Adds sweetness and, with cooking, thickens the syrup and helps the preserve set.
Lemon
Adds acidity that brightens flavour and helps the pectin in the fruit set.

The step that matters

Cook until the syrup forms a thin jelly when cold. Setting depends on the sugar concentration and pectin reaching the right point. Undercooked preserves stay runny, while overcooking makes them stiff and can caramelise the sugar.

Swap the lemon

How well each one fits the dish's main ingredients (pear, sugar):

  1. Vanillafits better
  2. Applefits better
  3. Plumfits better
  4. Lemonthe original

Fit is the average pairing score against pear, sugar. Candidates are from the same food group and used in at least 100 recipes.

“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.

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