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Rhubarb Fizz

A fizzy beverage made from cooked rhubarb, citrus juices, sugar syrup, and carbonated water.

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 ↓

Rhubarb Fizz

Ingredients

Directions

Make the rhubarb base

  1. Combine rhubarb and cold water in a saucepan.

  2. Cook until the rhubarb is soft.

  3. Strain the mixture through cheesecloth.

Finish and serve

  1. Add orange juice, lemon juice, and sugar syrup to the strained rhubarb.

  2. When ready to serve, mix in charged 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. Rhubarb + orangetop 5% of all pairs
    Smell alikemoderate
    Cooked together299 recipes

    Shared aroma: 2-methoxy-4-vinylphenol (clove, smoky).

  3. Sugar + syruptop 6% of all pairs
    Smell alikestrong
    Cooked together5,842 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

  4. Rhubarb + lemontop 7% of all pairs
    Smell alikestrong
    Cooked together546 recipes

    Shared aroma: acetic acid (sour, vinegar).

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

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

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

Rhubarb
Provides the tart flavor and the main body of the drink once cooked and strained.
Sugar syrup
Adds sweetness to balance the sour rhubarb and citrus juices.
Lemon juice
Adds acidity that brightens the flavor and balances sweetness.
Orange juice
Adds fruity sweetness and aroma to the rhubarb base.
Charged water
Adds carbonation, giving the drink its fizz.

The step that matters

Cook until the rhubarb is soft. Cooking softens the rhubarb fibers so juice releases fully, and straining then yields a clear, smooth base. Undercooked rhubarb stays fibrous and gives less flavor to the liquid.

Swap the rhubarb

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

  1. Cinnamonfits better
  2. Gingerfits better
  3. Rhubarbthe original
  4. Peppermintfits about as well

Fit is the average pairing score against orange, lemon, sugar, syrup. 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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