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Orange Jelly

A fruit jelly made from orange juice, citrus peels, thick syrup, and gelatin.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Lemon and orange 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

Make the syrup

  1. Make ½ cup of thick syrup.

  2. Add the lemon peel and orange peels to the syrup before boiling.

  3. Remove the peels before the mixture becomes too bitter.

  4. Skim the syrup well.

Finish the jelly

  1. Add the juice of 6 oranges and the dissolved isinglass or gelatine.

  2. Pass 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. Lemon + orangetop 1% of all pairs
    Smell alikestrong
    Cooked together10,634 recipes

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

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

    Shared aroma: ethanol (alcoholic, ethereal).

  3. Syrup + orangetop 23% of all pairs
    Smell alikelow
    Cooked together1,179 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Thick syrup
Provides the sweetness and body of the jelly.
Orange juice
Provides the main citrus flavour and most of the liquid in the jelly.
Isinglass or gelatine
Sets the liquid into a firm, sliceable jelly as it cools.
Lemon and orange peel
Adds aroma and a bitter edge from the oils and pith in the peel.

The step that matters

Remove the peels before the mixture becomes too bitter. Citrus peel releases aromatic oils and bitter compounds from the pith into hot syrup. The longer the peel stays in while boiling, the more bitterness it adds, so timing the removal controls the balance of flavour.

Swap the orange

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

  1. Orangethe original
  2. Limefits about as well
  3. Raspberryfits less well
  4. Vanillafits less well

Fit is the average pairing score against syrup, lemon. 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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