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Concord Grape Jelly

A preserved fruit spread made from Concord grapes and apples sweetened with sugar.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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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 ↓

Concord Grape Jelly

Ingredients

Directions

Cook the fruit

  1. Add grapes and apples to a pot and cover with water.

  2. Cook until grapes and apples are well done.

Strain the juice

  1. Strain the mixture through a colander, then through a cheesecloth bag.

Make the jelly

  1. For every cup of grape juice, add 1 cup of granulated sugar.

  2. Boil for 25 minutes once it starts boiling.

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

Concord grapes
Provide the main flavor and the juice that becomes the jelly.
Apples
Supply pectin, which helps the juice set into a gel.
Granulated sugar
Sweetens the jelly and helps it set and keep its texture.

The step that matters

Boiling after adding the sugar. The mixture must reach and hold a steady boil so the sugar and pectin can set. Boiling too briefly leaves the jelly runny, while boiling too long can make it stiff.

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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