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Dessert

Rhubarb

A pastry tart made with rhubarb, lemon juice, sugar, and puff pastry.

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

Ingredients

Directions

Prepare the filling

  1. Cut the rhubarb into small pieces, about the size of young gooseberries.

  2. Place the rhubarb in a dish and squeeze the lemon or orange juice over it.

  3. Sweeten the rhubarb with sifted loaf sugar to taste.

Bake and serve

  1. Cover the mixture with puff pastry.

  2. Bake until the pastry is golden.

  3. Serve plain or with cream.

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

    Shared aroma: acetic acid (sour, vinegar).

  2. Lemon + sugartop 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).

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

Green rhubarb stalks
Provides the tart, fibrous filling that gives the tart its main flavour and body.
Lemon or seville orange juice
Adds acidity that brightens the rhubarb and balances its sweetness.
Loaf sugar
Sweetens the rhubarb and softens its sharp acidity.
Puff pastry
Forms a crisp, flaky, golden crust over the fruit.

The step that matters

Cover the mixture with puff pastry. The filling is juicy, and if it is not sealed well or the pastry is not allowed to bake fully, the base can stay soggy. Baking until the pastry is golden helps it crisp and set.

Swap the rhubarb

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

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

Fit is the average pairing score against lemon, sugar. 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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