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Dessert

Grape Marmalade

A preserve made from grapes, sugar, and lemon juice.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 3 ingredients
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Why it works: Grape and lemon are a kitchen classic. They rank in the top 14% of all ingredient pairs, and cooks put them together in 2,412 recipes. Both carry 3-hexenal, which smells apple, fruity. The science ↓

Grape Marmalade

Ingredients

Directions

Prepare

  1. Heat the grapes and remove the seeds.

  2. Measure the grapes and add an equal amount of sugar.

Cook

  1. Place the grapes and sugar in a preserving kettle and boil slowly for 25 minutes.

  2. Add the juice of 1 lemon for every quart of fruit.

Finish

  1. Set aside in jelly glasses.

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. Grape + lemontop 14% of all pairs
    Smell alikemoderate
    Cooked together2,412 recipes

    Shared aroma: 3-hexenal (apple, fruity).

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

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

  3. Grape + sugartop 23% of all pairs
    Smell alikelow
    Cooked together7,490 recipes

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

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

Grapes
Provide the fruit body, flavour and natural pectin that help the marmalade set.
Sugar
Adds sweetness and, as it concentrates during boiling, helps the mixture thicken and keep.
Lemon juice
Adds acidity, which brightens the flavour and helps pectin form a gel.

The step that matters

Boil slowly for 25 minutes. Boiling concentrates the sugar and fruit so the pectin and acid can form a gel. A shorter boil can leave the marmalade runny, while overcooking darkens and stiffens it.

Swap the grape

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

  1. Orangefits better
  2. Limefits better
  3. Vanillafits better
  4. Grapethe 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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