Why it works: Flour and caraway match in chemistry and in kitchens. They rank in the top 6% of all ingredient pairs, and cooks put them together in 1,435 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Sponge 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.
Prepare
Preheat the oven to 350°F (175°C).
Make the batter
Whisk the eggs (yolks and whites) for about 30 minutes.
Beat in the sugar using a wooden spoon.
Lightly stir in the flour and add caraway seeds if desired.
Bake
Pour the mixture into a buttered tin.
Bake for 1 hour.
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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Flour + carawaytop 6% of all pairsSmell alikestrongCooked together1,435 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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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 + buttertop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
Flour and butter barely smell alike, yet cooks put them together in 124,287 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 hold the whisked foam together.
- Flour
- Sets during baking to form the cake's structure.
The step that matters
Lightly stir in the flour. Overmixing once flour is added develops gluten and can make the sponge tough and dense, while the air trapped in the whisked eggs is knocked out. Stir gently and only until combined.
Swap the caraway
The recipe marks caraway as optional. How well each one fits the dish's main ingredients (sugar, egg, flour, butter):
- Cinnamonfits better
- Nutmegfits better
- Jalapenofits about as well
- Carawaythe original
Fit is the average pairing score against sugar, egg, flour, butter. Candidates are from the same food group and used in at least 100 recipes.
“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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