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Dessert

Rhubarb Custard

A chilled custard mixed with stewed rhubarb and lemon rind.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 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 Custard

Oven, in the book's wordsA slow oven

Ingredients

Directions

Prepare the rhubarb

  1. Stew the rhubarb with sugar and lemon rind until soft; let it cool.

Make the custard

  1. Prepare the custard using Bird’s custard powder, milk, and a little sugar.

Assemble and serve

  1. Once both are cool, mix the custard with the rhubarb.

  2. Pour the mixture into a glass dish and serve cold.

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 + milktop 15% of all pairs
    Smell alikemoderate
    Cooked together19,053 recipes

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

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

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

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

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

  5. Sugar + milktop 18% of all pairs
    Smell alikelow
    Cooked together77,875 recipes

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

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

Rhubarb
Provides the tart flavour and the fruit body of the dessert once stewed soft.
Sugar
Sweetens the stewed rhubarb and balances its tartness.
Bird’s custard powder
Thickens the milk into a set custard that holds the rhubarb in suspension.
Milk
Forms the liquid base of the custard and adds richness and body.

The step that matters

Let both components cool before mixing. Adding warm custard to the rhubarb or mixing while warm can thin the custard and cause it to lose its set. Cooling both first keeps the texture firm when served cold.

Swap the rhubarb

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

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

Fit is the average pairing score against sugar, lemon, milk. 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.

More rhubarb custard recipes

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