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Dessert

Jelly Roll

A rolled cake made from a lemon-flavored batter, topped with jelly and powdered sugar.

From an old cookbook · modernised transcription
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Why it works: Milk and flour are a kitchen classic. They rank in the top 14% of all ingredient pairs, and cooks put them together in 78,219 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Jelly 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.

Make the batter

  1. Preheat the oven to 350°F (175°C).

  2. Beat the egg yolks and sugar thoroughly.

  3. Add the beaten egg whites.

  4. Mix the baking powder with the flour and add the mixture to the egg mixture.

  5. Flavor the batter with lemon.

Bake and roll

  1. Bake immediately.

  2. While hot, remove from the pan and lay on a cloth wet with cold water.

  3. Spread jelly over the cake.

  4. Roll it up quickly.

  5. Sprinkle with powdered sugar before serving.

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 + flourtop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  3. Milk + lemontop 15% of all pairs
    Smell alikemoderate
    Cooked together19,053 recipes

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

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

    Shared aroma: isobutyraldehyde (malty, green).

  5. Flour + lemontop 17% of all pairs
    Smell alikemoderate
    Cooked together30,404 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Milk and flour barely smell alike, yet cooks put them together in 78,219 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
Egg whites trap air and give the sponge its light, rolled structure.
Sugar
Sweetens the cake and helps the beaten yolks hold a stable, airy foam.
Flour
Forms the cake's structure once set by heat.
Baking powder
Releases gas in the batter so the cake rises and stays tender.
Jelly
Adds sweetness and moisture to the filling between the rolled layers.

The step that matters

Roll it up quickly. The cake must be rolled while still hot and pliable. As it cools, the sponge loses flexibility and cracks rather than bending into a neat spiral.

Swap the lemon

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

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

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