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Dessert

Roll Jelly Cake

A rolled cake flavored with lemon and covered in jelly, dusted with 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 ↓

Roll Jelly Cake

Oven, in the book's wordsA moderately hot oven

Ingredients

Directions

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

Prepare

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

Make the batter

  1. Beat the egg yolks with the sugar and sweet milk.

  2. Whip the egg whites until frothy and mix with the yolk mixture.

  3. Combine the baking powder with the flour and add to the mixture.

  4. Flavor the mixture with lemon.

Bake and roll

  1. Bake the batter immediately.

  2. Once baked, remove the cake from the pan.

  3. Place the cake on a damp cloth.

  4. Spread jelly over the cake.

  5. Roll the cake up quickly.

  6. Sprinkle the rolled cake 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
Whipped whites trap air, giving the thin sponge its lift and light structure.
Sugar
Sweetens the batter and helps the eggs hold a stable, tender crumb.
Flour
Provides the starch and gluten framework that sets the sponge as it bakes.
Baking powder
Releases gas during baking, helping the thin cake rise and stay airy.
Sweet milk
Adds moisture and softness to the batter.

The step that matters

Roll the cake up quickly. Sponge cakes must be rolled while still warm and pliable, before they cool and stiffen. Rolling late causes cracking, since the cooled crumb loses flexibility.

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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