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Dessert

Florida Orange Jelly

A gelatinous preserve made from Florida oranges, lemons, sugar, water, and gelatin.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 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 ↓

Florida Orange Jelly

Ingredients

Directions

Prepare the juice and syrup

  1. Grate the yellow rind of the oranges and lemons.

  2. Squeeze the juice from the oranges and lemons into a porcelain-lined preserving kettle, removing all seeds.

  3. Combine the grated rind, sugar, and water in a separate pot.

  4. Boil the mixture until a rich syrup forms.

Make and set the jelly

  1. Dissolve the gelatin in warm water over low heat, stirring until fully dissolved.

  2. Add the syrup to the dissolved gelatin.

  3. Strain the mixture.

  4. Cool the jelly in molds that have been wet with cold water.

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 + sugartop 18% of all pairs
    Smell alikelow
    Cooked together53,532 recipes

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

  3. Orange + sugartop 20% of all pairs
    Smell alikelow
    Cooked together19,212 recipes

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

Lemon and sugar 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

Gelatine
Sets the liquid into a firm, sliceable jelly as it cools.
Sugar
Sweetens the jelly and balances the sourness of the citrus juice.
Oranges
Provide the main juice and flavour of the jelly.
Lemons
Add acidity and aroma that brighten the jelly.

The step that matters

Dissolve the gelatin fully over low heat. Gelatine must dissolve completely without boiling; overheating weakens its setting power, and undissolved granules leave a grainy, unevenly set jelly.

“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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