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Dessert

Pie-plant Jelly

A preserve made from rhubarb stalks, lemon extract, and sugar, cooked into a jelly.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 3 ingredients
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Why it works: Rhubarb and lemon match in chemistry and in kitchens. They rank in the top 7% of all ingredient pairs, and cooks put them together in 546 recipes. Both carry acetic acid, which smells sour, vinegar. The science ↓

Pie-plant Jelly

Ingredients

Directions

  1. Stew the pie-plant stalks in a preserving kettle until tender.

  2. Strain the mixture through a jelly bag.

  3. Add extract of lemon to the juice.

  4. For each pint of juice, add 1 pound of sugar.

  5. Boil until it jellies on the skimmer.

  6. Remove from heat and pour into jars.

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. Rhubarb + lemontop 7% of all pairs
    Smell alikestrong
    Cooked together546 recipes

    Shared aroma: acetic acid (sour, vinegar).

  2. Lemon + sugartop 18% of all pairs
    Smell alikelow
    Cooked together53,532 recipes

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

  3. Rhubarb + sugartop 18% of all pairs
    Smell alikemoderate
    Cooked together1,852 recipes

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

Lemon and sugar 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

Pie-plant stalks
Provide the tart juice that forms the body of the jelly.
Sugar
Sweetens the juice and helps it set into a firm jelly when boiled.

The step that matters

Boil until it jellies on the skimmer. Pectin and sugar set only at a sufficient concentration; boiling too briefly leaves a runny jelly, while overboiling can make it stiff or cloudy. Testing on a cold skimmer shows when the set point is reached.

Swap the rhubarb

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

  1. Cinnamonfits better
  2. Gingerfits better
  3. Marjoramfits better
  4. Rhubarbthe original

Fit is the average pairing score against lemon, 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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