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Strawberry Jelly

A jelly made from strawberries, clear syrup, sugar, cochineal, isinglass, and lemon juice.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Syrup and sugar match in chemistry and in kitchens. They rank in the top 6% of all ingredient pairs, and cooks put them together in 5,842 recipes. Both carry ethanol, which smells alcoholic, ethereal. The science ↓

Strawberry Jelly

Ingredients

Directions

Prepare the strawberry juice

  1. Press the strawberries lightly and mix them with the clear syrup.

  2. Cover and let them stand overnight.

  3. Strain the mixture through a bag the next morning.

Make the jelly

  1. Clarify the sugar and add a few drops of prepared cochineal for color.

  2. Strain through a sieve.

  3. Add the clarified isinglass and lemon juice to the sugar mixture, then gently stir in the strained strawberries.

  4. Pour the jelly into a mold and place it on ice to set.

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. Syrup + sugartop 6% of all pairs
    Smell alikestrong
    Cooked together5,842 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

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

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

  3. Syrup + lemontop 20% of all pairs
    Smell alikelow
    Cooked together2,235 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

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

Strawberries
Provide the main flavor and fruit juice that gives the jelly its character.
Sugar
Adds sweetness and body to the jelly.
Isinglass
Gelling agent that sets the liquid into a firm jelly when chilled.
Lemon juice
Adds acidity that brightens the strawberry flavor.

The step that matters

Adding the isinglass to the sugar mixture. Isinglass is a gelling agent that must be fully dissolved and evenly mixed in before the strawberries are added. Uneven mixing leaves weak or cloudy patches, and setting depends on the gel network forming throughout the liquid as it cools.

Swap the lemon

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

  1. Vanillafits better
  2. Raisinfits better
  3. Pearfits about as well
  4. Lemonthe original

Fit is the average pairing score against syrup, 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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