Why it works: Cream and sugar 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 Loaf 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).
Place egg whites and salt in a large bowl.
Beat until frothy.
Add cream of tartar.
Beat until stiff peaks form.
Make the batter
Fold in sugar, sifting it in gradually. Fold gently.
Add extract.
Fold in sifted flour and baking powder carefully.
Pour batter into an ungreased tube cake pan.
Bake
Bake in the preheated oven. Cover the cake for the first two-thirds of the baking time.
Remove the cover to finish baking.
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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Cream + sugartop 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).
-
Egg + flourtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Cream + flourtop 20% of all pairsSmell alikemoderateCooked together30,481 recipes
Shared aroma: acetaldehyde (pungent, ethereal).
-
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
- Whipped into foam, they form the airy structure that lifts the cake.
- Sugar
- Sweetens the cake and stabilizes the whipped whites as it is folded in.
- Flour
- Provides the light structure that sets around the air bubbles as the cake bakes.
- Cream of tartar
- Acidifies the egg whites, helping them whip to a stable, stiff foam.
- Baking powder
- Releases gas during baking, adding extra lift to the batter.
The step that matters
Fold gently after adding the sugar and flour. Heavy stirring deflates the whipped egg white foam, which is the only source of lift in this cake. Gentle folding keeps the air bubbles intact so the cake rises tall and stays 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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