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 ↓
Roll Jelly Cake
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 the oven to 350°F (175°C).
Beat the eggs well in a bowl.
Add sugar, cold water, and salt; mix until combined.
In another bowl, combine flour and baking powder.
Gradually add the flour mixture to the egg mixture, stirring until smooth.
Pour the batter into a greased baking pan.
Bake and roll
Bake for 20-25 minutes or until golden.
Spread jelly over the warm cake and roll it up carefully.
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
- Whisked eggs trap air and provide structure as the cake sets.
- Flour
- Forms the gluten network that gives the sponge its body.
- Baking powder
- Releases gas in the batter, helping the cake rise and become light.
- Sugar
- Adds sweetness and helps the cake brown as it bakes.
The step that matters
Rolling the warm cake. Rolling while the cake is still warm keeps it flexible so it bends without cracking. Once it cools, the sponge stiffens and tears, so the roll must be shaped promptly and gently.
“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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