Why it works: Flour and sugar 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 ↓
Angel Food 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.
Make the batter
Sift the flour and baking powder together four times.
Beat the egg whites until stiff peaks form.
Gradually add the sugar to the egg whites, continuing to beat until well combined.
Gently fold in the sifted flour mixture.
Bake and cool
Pour the batter into an ungreased pan and bake at 350°F (175°C) for 40 minutes.
Let the cake cool in 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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Flour + sugartop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
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Flour + eggtop 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).
Flour and egg 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
- Whipped into foam that gives the cake its light, airy structure.
- Granulated sugar
- Stabilizes the whipped whites and adds sweetness and a fine, tender crumb.
- All-purpose flour
- Provides the starch and gluten framework that holds the cake's structure as it sets.
- Baking powder
- Releases gas during baking to help the cake rise.
The step that matters
Gently fold in the sifted flour mixture. Folding rather than stirring keeps the air bubbles in the whipped egg whites intact. Overmixing deflates the foam, leading to a dense, flat cake.
“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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