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 Food Cake
Ingredients
Directions
The book says “a hot oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Prepare the dry ingredients
Sift the flour four times, then measure it.
Add the cream of tartar to the flour.
Sift the mixture again.
Sift the sugar four times, then measure it.
Make the batter
Beat the egg whites until very light.
Gradually add the sugar, mixing well after each addition.
Slowly add the flour, mixing well after each addition.
Stir in the vanilla.
Bake and serve
Pour the batter into an ungreased pan.
Bake in a 400°F (200°C) oven for 45 minutes.
Once cool, loosen the cake from the pan.
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 + 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 foam that traps air, which lifts the cake as it bakes.
- Sugar
- Sweetens the cake and helps stabilize the whipped egg white foam.
- Flour
- Provides the structure that sets the cake as the egg foam bakes.
- Cream of tartar
- Acidifies the egg whites, stabilizing the foam so it holds its volume.
The step that matters
Adding the sugar and flour without deflating the foam. The air trapped in beaten egg whites is what makes the cake rise. Adding sugar and flour gradually and mixing gently keeps that foam intact, while vigorous or rushed mixing knocks out the air and leaves a dense cake.
Swap the vanilla
How well each one fits the dish's main ingredients (sugar, flour, cream, egg):
- Raisinfits about as well
- Vanillathe original
- Figfits less well
- Strawberryfits less well
Fit is the average pairing score against sugar, flour, cream, egg. 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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