Why it works: Sugar and cream are a kitchen classic. They rank in the top 9% of all ingredient pairs, and cooks put them together in 43,450 recipes. Both carry 2,3-butanedione, which smells butter, sweet. The science ↓
Rolled 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.
Make the batter
Preheat the oven to 350°F (175°C).
In a bowl, combine the beaten eggs, powdered sugar, and flour. Stir well.
Add the cream of tartar and the dissolved baking soda. Mix until smooth.
Pour the batter into two greased shallow pans and bake until golden.
Roll and finish
Once baked, turn the cakes onto greased paper, bottom side up.
Spread jelly evenly over the surface of the cake.
Roll the cake up quickly, keeping the paper around it until cool.
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 + creamtop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
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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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Flour + creamtop 20% of all pairsSmell alikemoderateCooked together30,481 recipes
Shared aroma: acetaldehyde (pungent, ethereal).
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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 thin sponge its structure and lift.
- All-purpose flour
- Flour sets the batter's structure as the cake bakes, giving it a body that holds together.
- Powdered sugar
- Sugar sweetens the batter and helps it brown as it bakes.
- Cream of tartar
- Its acidity stabilizes the whipped egg foam and works with the baking soda to aid rising.
- Baking soda
- Reacting with the acidic cream of tartar produces gas that helps the cake rise.
- Jelly
- Jelly adds sweetness and moisture to the cake layer and forms the filling inside the roll.
The step that matters
Rolling the warm cake. The cake must be rolled while still warm and pliable, with the paper around it, so it bends without cracking. Once it cools fully it becomes brittle and the surface splits.
“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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