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 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 and mix
Preheat the oven to 350°F (175°C).
Beat the egg yolks until light.
Add sugar, water, and salt to the yolks.
Sift baking powder into the flour and gradually add it to the mixture.
Bake and roll
Pour the batter into long shallow tins and bake until golden.
Turn the cake out onto a damp towel, spread with jelly, and roll it up.
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
- Provide structure and lift through beaten yolks that trap air in the batter.
- Flour
- Forms the structure that holds the thin sponge together when rolled.
- Sugar
- Adds sweetness and helps give the sponge a tender crumb.
- Baking powder
- Releases gas in the oven, helping the batter rise and stay light.
The step that matters
Rolling the cake up with the jelly. Rolling the sponge while it is still warm and pliable on a damp towel keeps it from cracking. Once it cools and stiffens, it is much more likely to split at the fold.
“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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