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Dessert

Concord Grape and Apple Jelly

A jelly made from Concord grapes and tart apples, sweetened with sugar and optionally flavored with vanilla and egg white.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 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 and Apple Jelly

Ingredients

Directions

Prepare the grapes

  1. Wash grapes without stemming them.

  2. Mash grapes in a preserving kettle using a potato masher.

  3. Simmer mashed grapes on the fire until soft, then strain through cheesecloth.

Prepare the apples

  1. Peel and quarter apples.

  2. Boil apples in a little water until tender but not mashed.

  3. Drain liquid from apples and add it to the strained grape juice.

Make and set the jelly

  1. Measure 1 cup of juice for every cup of sugar, then bring to a boil.

  2. Skim off any foam and let it boil for 20 minutes.

  3. Fill jelly glasses and cover with paraffin.

Make apple sauce

  1. For apple sauce, mash cooked apples, add sugar, and beaten egg white, then flavor with a little vanilla.

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 + vanillatop 8% of all pairs
    Smell alikemoderate
    Cooked together1,501 recipes

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

  3. Grape + vanillatop 8% of all pairs
    Smell alikemoderate
    Cooked together1,596 recipes

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

  4. Sugar + vanillatop 8% of all pairs
    Smell alikelow
    Cooked together35,032 recipes

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

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

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

Sugar and vanilla barely smell alike, yet cooks put them together in 35,032 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 juice that gives the jelly its flavor, colour and natural pectin for setting.
Tart apples
Add natural pectin and acidity to help the jelly set.
Sugar
Sweetens the jelly and helps it set when boiled with the juice.
Egg white
Beaten into the apple sauce to add lightness and a foamy texture.

The step that matters

Boiling the juice and sugar. The mixture must reach a full boil for long enough, because pectin, acid and sugar only form a firm gel at the right concentration. Undercooking leaves the jelly runny.

Swap the vanilla

The recipe marks vanilla as optional. How well each one fits the dish's main ingredients (grape, apple, sugar, egg):

  1. Pearfits about as well
  2. Vanillathe original
  3. Figfits about as well
  4. Apricotfits about as well

Fit is the average pairing score against grape, apple, sugar, egg. 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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