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 ↓
Easy Sponge Cake
Ingredients
Directions
The book says “a very moderate oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.
Prepare
Preheat the oven to 350°F (175°C).
Line a large, well‑greased cake tin with buttered paper or butter a large mold with clarified butter and dust it with a mixture of equal parts sugar and flour.
Make the batter
Whisk the eggs together until well combined.
Add the sugar and whisk for about 12 minutes.
Gently fold in the flour with a metal spoon.
Bake
Pour the batter into the prepared tin and bake for about 45 minutes.
Do not open the oven door for the first 20 minutes.
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 to trap air, giving the sponge its light, airy structure.
- Sugar
- Sweetens the cake and helps whisked foam stay stable while it is beaten.
- Flour
- Folded in to provide structure that sets the sponge as it bakes.
The step that matters
Fold in the flour gently. Overmixing or heavy stirring knocks out the air whisked into the eggs and sugar, so the sponge bakes up dense instead of light.
“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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