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Dessert

Pine Jelly

A jelly made from pineapple, lemon rind and juice, clarified with isinglass.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Pineapple and lemon are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 1,964 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓

Pine Jelly

Ingredients

Directions

Make the syrup

  1. Combine 1 pint of clarified sugar and 1 pint of cold water in a pot. Heat until boiling and skim off any foam.

  2. Peel and quarter the pineapple, trimming each quarter into long pieces.

  3. Add the pineapple to the boiling sugar mixture.

  4. Boil for 10 minutes, then remove the round pieces and set them aside.

  5. Continue boiling the remaining pineapple for 20 more minutes.

Add lemon and isinglass

  1. Remove the rind from the lemons and squeeze the juice through a fine sieve into a bowl.

  2. After boiling, pour the lemon juice into the pot with the pineapple, adding 2 ounces of clarified isinglass.

Mold and set

  1. Pour a small amount of jelly into a mold.

  2. Add small round pieces of pineapple.

  3. Layer with more jelly and pineapple until the mold is full.

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. Pineapple + lemontop 12% of all pairs
    Smell alikemoderate
    Cooked together1,964 recipes

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

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

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

  3. Sugar + pineappletop 19% of all pairs
    Smell alikelow
    Cooked together4,841 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

Isinglass
Sets the liquid into a firm jelly as it cools.
Pineapple
Provides the fruit pieces and flavor that are suspended in the set jelly.
Clarified sugar
Sweetens the jelly and helps give it body as it boils.
Lemon juice
Adds acidity that brightens the sweetness of the pineapple and sugar.

The step that matters

Adding the isinglass to the hot lemon-pineapple liquid. Isinglass is a gelatin-like setting agent that must be fully dissolved in hot liquid before cooling; if it is added to a liquid that is not hot enough, or boiled too hard afterward, it may not set evenly or firmly.

Swap the pineapple

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

  1. Orangefits better
  2. Limefits better
  3. Vanillafits better
  4. Pineapplethe original

Fit is the average pairing score against sugar, lemon. 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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