Why it works: Sugar and flour are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 92,116 recipes. Both carry phenylacetaldehyde, which smells hawthorne, honey. The science ↓
Jelly Roll
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. The book gives no cooking times either; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.
Prepare the batter
Preheat your oven to 350°F (175°C).
Beat the eggs thoroughly in a bowl.
Add the sugar and salt to the eggs and mix well.
Sift the flour with the baking powder and fold it into the egg mixture.
Flavor the batter to your taste.
Bake and roll
Pour the batter into a greased baking pan and spread evenly.
Bake for about 10-12 minutes until lightly golden.
Spread jelly over the cake while it is still warm.
Roll the cake up carefully before it cools completely.
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.
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Sugar + flourtop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
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Egg + flourtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Egg + sugartop 21% of all pairsSmell alikemoderateCooked together122,807 recipes
Shared aroma: 2-nonenal (fatty, green).
Egg and flour barely smell alike, yet cooks put them together in 106,462 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 eggs trap air and give the sponge its light, structure-building body.
- Flour
- Provides the starch and gluten that set the cake's structure once baked.
- Sugar
- Adds sweetness and helps the batter stay tender and lightly browned.
- Baking powder
- Releases gas during baking so the thin sponge rises and stays soft.
- Jelly
- Adds sweetness and moisture to the filling inside the rolled cake.
The step that matters
Roll the cake up carefully before it cools completely. A warm sponge is pliable, so rolling it while still warm prevents cracking. Once it cools fully the cake stiffens and tends to crack along the rolled spiral.
“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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