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Dessert

Grape Conserve

A sweet preserve made from Malaga grapes, raisins, sugar, citrus juice, and walnuts.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Lemon and orange match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 10,634 recipes. Both carry 3-hexenal, which smells apple, fruity. The science ↓

Grape Conserve

Ingredients

Directions

Prepare and cook

  1. Remove the seeds from the grapes.

  2. Combine the grapes, orange juice, lemon juice, and grated lemon rind in a pot.

  3. Cook for 30 minutes over medium heat.

  4. Add the sugar and continue cooking until thickened.

Finish and serve

  1. Stir in the chopped walnuts.

  2. Pour the mixture into 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. Lemon + orangetop 1% of all pairs
    Smell alikestrong
    Cooked together10,634 recipes

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

  2. Grape + orangetop 6% of all pairs
    Smell alikemoderate
    Cooked together1,771 recipes

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

  3. Grape + walnuttop 8% of all pairs
    Smell alikemoderate
    Cooked together1,427 recipes

    Shared aroma: 1-hexanal (fruit).

  4. Lemon + walnuttop 10% of all pairs
    Smell alikestrong
    Cooked together2,149 recipes

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

  5. Orange + walnuttop 12% of all pairs
    Smell alikemoderate
    Cooked together1,058 recipes

    Shared aroma: 2,4-nonadienal (fatty, green).

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

What each ingredient does

Grapes
Provide the bulk of the fruit, whose pulp and juice cook down into the preserve.
Sugar
Sweetens the preserve and helps it thicken as the mixture cooks.
Lemon
Adds acidity that brightens the sweetness and supports setting.
English walnuts
Add crunch and a nutty flavor that contrasts with the soft fruit.

The step that matters

Cooking until thickened after adding the sugar. Sugar and evaporation concentrate the mixture and firm it up. Stopping too early leaves the preserve runny, while cooking too long makes it stiff and sticky once cooled.

Swap the raisin

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

  1. Figfits better
  2. Cranberryfits better
  3. Vanillafits better
  4. Raisinthe original

Fit is the average pairing score against grape, sugar, lemon, orange, walnut. 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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