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Boston Cream Puffs

Boston Cream Puffs are filled with a sweet custard cream.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 10 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 ↓

Boston Cream Puffs

Oven, in the book's wordsA quick oven

Ingredients

Directions

The book says “a quick oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.

Make the choux

  1. In a saucepan, bring hot water and butter to a boil.

  2. Stir in flour and mix until smooth and it leaves the sides of the pan.

  3. Remove from heat, cool slightly, and beat in the eggs thoroughly.

  4. Drop tablespoonfuls of the mixture onto greased baking sheets, leaving space between each.

  5. Brush the tops with egg white.

  6. Bake at 400°F (200°C) for 10-15 minutes until hollow.

Make the cream

  1. For the cream, heat half the milk in a double boiler.

  2. Mix the reserved milk with 2 tablespoons of flour until smooth.

  3. Pour the flour mixture into the hot milk and stir until thickened.

  4. In a bowl, beat together the remaining milk, eggs, sugar, butter, and vanilla until thick.

  5. Let the cream cool.

Fill and serve

  1. Fill the puffs as needed.

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. Butter + milktop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

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

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

  4. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: isobutyraldehyde (malty, green).

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

All-purpose flour
Starch that thickens the choux dough and the cream, giving structure.
Eggs
Set the choux as it bakes and enrich the cream custard.
Butter
Adds fat for tenderness and richness in the dough and cream.
Milk
Forms the liquid base of the cream, which thickens when heated with flour.
Granulated sugar
Sweetens the cream and adds body to the custard.

The step that matters

Bake until hollow. The puffs rise from steam inside the dough. If they are underbaked, the walls stay wet and collapse as they cool, so they should feel dry and hollow before removing.

Swap the vanilla

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

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

Fit is the average pairing score against butter, flour, egg, milk, 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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