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Grape and Apple Jam

A jam made from grapes and apples sweetened with sugar.

From an old cookbook · modernised transcription
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Why it works: Grape and apple match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 1,659 recipes. Both carry 2-isobutyl-3-methoxypyrazine, which smells green bell pepper, earthy. The science ↓

Grape and Apple Jam

Ingredients

Directions

Prepare the grapes

  1. Boil the grapes until soft.

  2. Pass the boiled grapes through a sieve to remove skins and seeds.

Make the jam

  1. Mix the grape puree with chopped apples and add sugar to taste.

  2. Cook the mixture until it thickens to your desired consistency.

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 + appletop 1% of all pairs
    Smell alikestrong
    Cooked together1,659 recipes

    Shared aroma: 2-isobutyl-3-methoxypyrazine (green bell pepper, earthy).

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

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

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

Grapes
Provide the main fruit base and pectin-free pulp that becomes the jam's body once softened.
Apples
Add body and natural pectin, helping the jam set as it thickens.
Sugar
Sweetens the jam and helps it thicken and keep its texture as it cooks.

The step that matters

Cook until it thickens. Jam sets as water evaporates and sugar and pectin concentrate. Stopping too early leaves it runny, while overcooking can make it stiff or caramelised.

Swap the grape

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

  1. Pearfits better
  2. Vanillafits better
  3. Apricotfits about as well
  4. Grapethe original

Fit is the average pairing score against apple, 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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