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Dessert

Almack’s Preserve

A preserve made from apples, pears, and plums cooked with sugar.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Pear and plum match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 245 recipes. Both carry 2,4-decadienal, which smells seaweed. The science ↓

Almack’s Preserve

Ingredients

Directions

Prepare

  1. Prepare the fruit by washing and cutting it as needed.

Cook

  1. Cook the fruit in a jar until soft.

  2. Add the sugar and boil the mixture in a jam kettle until it thickens.

  3. This process may take several hours, depending on the hardness of the pears.

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 + plumtop 1% of all pairs
    Smell alikestrong
    Cooked together245 recipes

    Shared aroma: 2,4-decadienal (seaweed).

  2. Apple + peartop 1% of all pairs
    Smell alikestrong
    Cooked together649 recipes

    Shared aroma: isoamyl acetate (banana, fruity).

  3. Apple + plumtop 2% of all pairs
    Smell alikestrong
    Cooked together404 recipes

    Shared aroma: 2,4-decadienal (seaweed).

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

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

  5. Apple + sugartop 18% of all pairs
    Smell alikelow
    Cooked together16,478 recipes

    Shared aroma: beta-damascenone (apple, rose).

Apple and sugar barely smell alike, yet cooks put them together in 16,478 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

Apples
Their natural pectin helps the preserve thicken and set as it cooks.
Pears
Their firmer flesh adds body and needs longer cooking to soften fully.
Plums
Their pectin and tartness help the preserve set and balance the sweetness.
Sugar
Sugar thickens the fruit as it boils down and helps preserve it.

The step that matters

Boiling until it thickens. Sugar and fruit must boil long enough to concentrate and reach the setting point. Stopping early leaves a runny preserve that may spoil sooner, while overcooking can make it stiff and dark.

Swap the plum

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

  1. Plumthe original
  2. Apricotfits about as well
  3. Vanillafits about as well
  4. Quincefits about as well

Fit is the average pairing score against apple, 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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