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Orange Shrub

A sweetened citrus liqueur made from lemon and Seville orange juice, sugar, and rum.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 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 Shrub

Ingredients

Directions

  1. Mix lemon juice, Seville orange juice, and sugar well.

  2. Add rum to the mixture for each pint of juice.

  3. Shake the mixture three times a day for two weeks.

  4. Allow it to stand for one month or until clear before bottling.

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. Orange + rumtop 12% of all pairs
    Smell alikemoderate
    Cooked together801 recipes

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

  3. Sugar + rumtop 14% of all pairs
    Smell alikelow
    Cooked together2,908 recipes

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

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

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

  5. Lemon + rumtop 19% of all pairs
    Smell alikemoderate
    Cooked together1,341 recipes

    Shared aroma: alpha-pinene (pine, turpentine).

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

Lemon juice
Adds acidity that brightens the flavour and balances the sugar.
Seville orange juice
Provides the main citrus flavour and acidity.
Loaf sugar
Sweetens the shrub and helps balance the sharp citrus juices.
Rum
Acts as a preservative and carries the aroma of the citrus.

The step that matters

Allow it to stand until clear before bottling. Resting lets the sediment settle and the mixture clarify. Bottling too early can leave cloudiness and a less stable, less smooth drink.

Swap the lemon

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

  1. Vanillafits better
  2. Pineapplefits better
  3. Mangofits better
  4. Lemonthe original

Fit is the average pairing score against orange, sugar, rum. 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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