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 ↓
Angel Food
Ingredients
Directions
Prepare
Sift the flour, powdered sugar, and cream of tartar together seven times.
Beat the egg whites until stiff peaks form.
Mix and bake
Slowly sift the flour mixture into the beaten egg whites, folding gently.
Bake in a new, ungreased 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 + 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
- Egg whites
- Beaten into a foam that traps air and gives the cake its light, airy structure.
- Flour
- Provides the starch and gluten framework that sets the cake's structure as it bakes.
- Powdered sugar
- Sweetens the cake and creates a fine, tender crumb.
- Cream of tartar
- Acidifies the egg whites, helping the foam stay stable and hold its volume.
The step that matters
Folding the flour mixture into the egg whites. Folding gently keeps the air bubbles in the beaten whites intact. Stirring or beating harshly deflates the foam, so the baked cake comes out 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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