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Rhubarb Jelly

A jelly made from rhubarb, sugar, gelatin, lemon, and water.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Rhubarb Jelly

Why it works: Rhubarb and lemon match in chemistry and in kitchens. They rank in the top 7% of all ingredient pairs, and cooks put them together in 546 recipes. Both carry acetic acid, which smells sour, vinegar. The science ↓

Rhubarb Jelly

2 quarts

Ingredients

Directions

The book gives no oven temperature. The 400°F (200°C) in the steps was added when the recipe was transcribed, as a starting point.

Prepare the juice

  1. Cut the rhubarb into small pieces and place it in a jar with the sugar and ½ pint of water.

  2. Cover the jar and set it in a 400 °F (200 °C) oven until the juice is drawn out.

  3. Strain the mixture and dissolve the gelatin in ½ pint of the liquid.

Set the jelly

  1. Add the rind and juice of the lemon, then boil for a few minutes.

  2. Remove the lemon rind and pour the mixture into a mould that has been wetted with cold water.

  3. Set aside until firm.

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.

Photo for illustrative purposes only · Contact us to use it

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

    Shared aroma: acetic acid (sour, vinegar).

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

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

  3. Rhubarb + sugartop 18% of all pairs
    Smell alikemoderate
    Cooked together1,852 recipes

    Shared aroma: 1-penten-3-one (fish, pungent).

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

Pink rhubarb
Provides the main flavour and tartness, and its juice forms the body of the jelly.
Loaf sugar
Sweetens the jelly and helps it set firm and clear.
Gelatine
Sets the liquid into a firm jelly as it cools.
Lemon
Adds acidity and brightness that balance the sweetness of the rhubarb.

The step that matters

Dissolve the gelatine fully before pouring. Gelatine must be completely dissolved in warm liquid before the mixture is poured. Undissolved granules leave gritty specks and uneven setting, so the jelly may not firm evenly.

Swap the rhubarb

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

  1. Cinnamonfits better
  2. Gingerfits better
  3. Marjoramfits better
  4. Rhubarbthe original

Fit is the average pairing score against sugar, 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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