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Dessert

Jelly Rolls

A rolled cake filled with lemon jelly.

From an old cookbook · modernised transcription
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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 ↓

Jelly Rolls

Ingredients

Directions

The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.

Prepare the cake

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

  2. In a bowl, beat the eggs and sugar until well combined.

  3. Add the flour, butter, and baking powder, mixing until smooth.

  4. Roll the batter very thin on a floured surface.

Make the jelly

  1. For the jelly, combine 1 cup sugar, 1 egg, lemon juice, and cold water in a saucepan.

  2. Cook over low heat, stirring constantly until it thickens.

Assemble and serve

  1. Spread the jelly over the rolled cake and roll it up while warm.

  2. Dust 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. Flour + buttertop 12% of all pairs
    Smell alikelow
    Cooked together124,287 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. Egg + flourtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Butter + lemontop 16% of all pairs
    Smell alikemoderate
    Cooked together41,227 recipes

    Shared aroma: 3-hexenal (apple, fruity).

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

    Shared aroma: isobutyraldehyde (malty, green).

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
Beaten with sugar to trap air, giving the sponge structure and lift.
Flour
Forms the gluten network that gives the thin cake its set structure for rolling.
Sugar
Sweetens the cake and helps stabilise the beaten egg foam.
Baking powder
Releases gas during baking so the cake rises and stays light.
Lemon juice
Adds acidity that brightens the jelly and helps it set.

The step that matters

Rolling the batter very thin. Thin batter bakes quickly and evenly; if it is too thick it dries out or cracks when rolled. Rolling it while still warm and pliable helps prevent cracking.

Swap the lemon

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

  1. Raisinfits better
  2. Vanillafits better
  3. Figfits about as well
  4. Lemonthe 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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