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Dessert

Orange Jelly

A clear orange jelly made with sugar, orange juice, lemon juice, rinds, and optional saffron or egg white.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 ingredients
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Why it works: Orange and lemon 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 ↓

Orange Jelly

Ingredients

Directions

Prepare

  1. Dissolve the isinglass in a little water.

Make the jelly

  1. In a porcelain pan, combine the sugar, orange juice, lemon juice, orange rinds, and lemon rind.

  2. Heat over medium heat, stirring until it boils.

  3. Skim off any foam that forms.

  4. If using, add saffron for color and the beaten egg white to clarify.

  5. Strain the mixture through a jelly bag.

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. Orange + lemontop 1% of all pairs
    Smell alikestrong
    Cooked together10,634 recipes

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

  2. Lemon + saffrontop 1% of all pairs
    Smell alikestrong
    Cooked together538 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

  3. Orange + saffrontop 3% of all pairs
    Smell alikemoderate
    Cooked together185 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

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

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

  5. Lemon + eggtop 19% of all pairs
    Smell alikelow
    Cooked together44,316 recipes

    Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).

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

Isinglass
Gelatin-like protein that sets the juice into a firm jelly as it cools.
Sugar
Adds sweetness and body, and helps give the jelly a clear, firm set.
Orange juice
Provides the main flavor and liquid base of the jelly.
Egg white
Binds particles as it cooks so they can be removed, clarifying the jelly.

The step that matters

Skim off any foam that forms. Foam and impurities that rise while the mixture boils will cloud the jelly if left in, so removing them keeps the final jelly clear.

Flavor stand-ins for the saffron

The recipe marks saffron as optional. How well each one fits the dish's main ingredients (sugar, orange, lemon, egg):

  1. Cinnamonbetter flavor fit
  2. Nutmegabout as good a flavor fit
  3. Gingerabout as good a flavor fit
  4. Saffronthe original

Fit is the average pairing score against sugar, orange, lemon, egg. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).

“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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