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Boston Cream Puffs

Boston Cream Puffs are pastry shells filled with a sweet custard and rolled in egg white and coarse sugar.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 12 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. Bring hot water and butter to a boil in a saucepan.

  2. Stir in 1½ cups flour until smooth and it leaves the sides of the pan.

  3. Remove from heat. Cool slightly.

  4. Beat in 5 eggs thoroughly.

  5. Drop tablespoonfuls onto greased baking sheets. Leave space between each.

  6. Brush tops with egg white.

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

Make the cream filling

  1. Heat ½ pint milk in a double boiler for the filling.

  2. Mix 1 cup flour with the reserved 2 tablespoons milk until smooth.

  3. Pour the flour mixture into the hot milk.

  4. Stir until thick.

  5. Beat in 2 eggs, 1 cup sugar, 1 tablespoon butter, and 1 teaspoon vanilla until very thick.

Assemble and finish

  1. Fill the puffs with the cream.

  2. Roll in egg white and coarse sugar.

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

Eggs
Bind the dough and set the puffs, giving structure as they bake and dry out.
Flour
Forms the starchy base that sets into the puff walls and thickens the cream.
Butter
Adds fat and richness to the dough and cream, tenderizing the texture.
Milk
Hydrates the flour in the cream, giving it body and a rich flavor.

The step that matters

Bake until hollow. The puffs rise because steam from the water and butter expands the dough. They must bake until dry and firm, or they collapse when cooled.

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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