Why it works: Sugar and vanilla are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 35,032 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓
Angel Cake
Ingredients
Directions
The book says “a moderate oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.
Prepare
Sift the flour four times, then add the cream of tartar and sift again.
Sift the sugar.
Make the batter
Beat the egg whites to a stiff froth.
Gently fold in the sugar, then the flour, and finally the vanilla.
Bake and cool
Bake for 45 minutes at 350°F (175°C).
Do not open the oven door for at least 15 minutes.
Do not grease the pan; turn it upside down to 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.
Photo for illustrative purposes only · Contact us to use it
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 + vanillatop 8% of all pairsSmell alikelowCooked together35,032 recipes
Shared aroma: beta-damascenone (apple, rose).
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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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Flour + vanillatop 12% of all pairsSmell alikemoderateCooked together19,241 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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Cream + vanillatop 15% of all pairsSmell alikelowCooked together12,301 recipes
Shared aroma: 2-nonanone (fruity, floral).
Sugar and vanilla barely smell alike, yet cooks put them together in 35,032 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
- Egg whites
- Whipped into a stiff foam that traps air, giving the cake its light, airy structure.
- Sugar
- Sweetens the cake and helps stabilise the whipped egg white foam.
- Flour
- Provides the starch and protein that set the cake's structure as it bakes.
- Cream of tartar
- Acidifies the egg whites, helping the foam stay stable and hold its volume.
The step that matters
Folding the batter gently. Folding in the sugar, flour and vanilla gently preserves the air whipped into the egg whites. Stirring or beating vigorously knocks out that air, so the cake rises less and turns out denser.
Swap the vanilla
How well each one fits the dish's main ingredients (egg, sugar, flour, cream):
- Raisinfits about as well
- Vanillathe original
- Figfits less well
- Strawberryfits less well
Fit is the average pairing score against egg, sugar, flour, cream. 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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