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Dessert

Swiss Roll

A light, rolled sponge cake filled with jam and dusted with powdered sugar.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Flour and butter are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 124,287 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Swiss Roll

Oven, in the book's wordsA moderate oven

Ingredients

Directions

The book says “a moderate oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.

Prepare the batter

  1. Separate the yolks from the whites of the eggs.

  2. Beat the yolks and gradually add the sugar and flour while continuing to beat.

  3. Whisk the egg whites until stiff and gently fold them into the yolk mixture.

  4. Butter a small baking tin and pour the mixture in, spreading it to about ¼ inch thick.

Bake and roll

  1. Bake in a preheated oven at 350°F (175°C) for 6‑7 minutes until slightly firm.

  2. Spread jam quickly over the baked mixture, then roll it up.

  3. Return the roll to the oven and bake for another 5‑6 minutes.

  4. Dust with powdered sugar and let it cool.

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. Flour + buttertop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Butter + apricottop 15% of all pairs
    Smell alikemoderate
    Cooked together1,458 recipes

    Shared aroma: delta-dodecalactone (sweet, creamy).

  3. Sugar + flourtop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  4. Egg + flourtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Egg + buttertop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 recipes

    Shared aroma: decanal (soap, orange peel).

Flour and butter barely smell alike, yet cooks put them together in 124,287 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
Whipped whites trap air for lift, and yolks add richness and structure to the sponge.
Pounded sugar
Sweetens the sponge and helps stabilize the whipped egg foam.
Flour
Provides the light structure that holds the rolled sponge together.
Jam
Adds sweetness, moisture and a fruity flavor inside the roll.

The step that matters

Folding the whites into the yolk mixture. Overmixing or deflating the whipped whites knocks out the air that gives the sponge its lift, leaving a dense, flat roll that cracks when rolled.

Swap the apricot

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

  1. Raisinfits better
  2. Vanillafits better
  3. Figfits better
  4. Apricotthe original

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