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Dessert

Pastry Cream

A sweet custard made from flour, milk, sugar, eggs, and vanilla, used to fill eclairs.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Milk and vanilla are a kitchen classic. They rank in the top 5% of all ingredient pairs, and cooks put them together in 19,187 recipes. Both carry ethyl caproate, which smells fruity, apple peel. The science ↓

Pastry Cream

Oven, in the book's wordsA moderately hot oven

Ingredients

Directions

Make the cream

  1. Beat the eggs well.

  2. Combine all ingredients to make a smooth batter.

  3. Stir over heat until it boils and forms a smooth paste.

Finish and fill

  1. Optionally, add broken ratafia biscuits or chopped almonds.

  2. Use to fill eclairs.

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. Milk + vanillatop 5% of all pairs
    Smell alikemoderate
    Cooked together19,187 recipes

    Shared aroma: ethyl caproate (fruity, apple peel).

  2. Sugar + vanillatop 8% of all pairs
    Smell alikelow
    Cooked together35,032 recipes

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

  3. Flour + vanillatop 12% of all pairs
    Smell alikemoderate
    Cooked together19,241 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Flour + milktop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Flour + sugartop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

Sugar and vanilla barely smell alike, yet cooks put them together in 35,032 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

Flour
Starch thickens the milk mixture as it heats, giving the cream body.
Eggs
Egg proteins set on heating, further thickening the cream and adding richness.
Sugar
Adds sweetness and balances the richness of the eggs and milk.
Milk
Forms the liquid base that the flour and eggs thicken into a cream.
Vanilla essence
Adds a characteristic aroma that rounds out the cream's flavour.

The step that matters

Stirring over heat until it boils. Stirring constantly spreads heat evenly, preventing lumps and scorching on the base of the pan. The starch must reach a boil to fully thicken, and the eggs must be kept moving so they cook smoothly rather than curdling.

Swap the vanilla

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

  1. Vanillathe original
  2. Raisinfits about as well
  3. Figfits less well
  4. Blueberryfits less well

Fit is the average pairing score against flour, milk, sugar, egg. 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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