Why it works: Sugar and flour 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 ↓
Good Plain 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
Weigh the eggs, then use the same weight of powdered sugar and the weight of 3 eggs in all-purpose flour.
Make the batter
Whisk the eggs well, add the sugar and lemon flavoring, and beat again.
Sift the flour and baking powder together, add them gradually to the mixture, and mix everything quickly.
Bake
Bake in a preheated oven at 350°F (175°C) for 1 to 1.5 hours.
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 + 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 + lemontop 17% of all pairsSmell alikemoderateCooked together30,404 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Sugar + lemontop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
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Egg + lemontop 19% of all pairsSmell alikelowCooked together44,316 recipes
Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).
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
- Eggs
- Whisked eggs trap air and provide structure, moisture and setting as the cake bakes.
- Powdered sugar
- Adds sweetness and helps give the cake a fine, tender crumb.
- All-purpose flour
- Its proteins form gluten, which gives the cake its structure once baked.
- Baking powder
- Releases gas when moistened and heated, helping the cake rise.
- Lemon essence or grated lemon rind
- Provides the lemon aroma that flavors the cake.
- Lemon juice
- Adds a little acidity and brightness to the flavor.
The step that matters
Add the flour gradually and mix quickly. Flour should be folded in gently and briefly. Overmixing develops too much gluten, making the cake tough, and it can deflate the air whisked into the eggs, which the cake needs to rise.
Swap the lemon
How well each one fits the dish's main ingredients (egg, sugar, flour):
- Raisinfits better
- Vanillafits better
- Lemonthe original
- Figfits about as well
Fit is the average pairing score against egg, sugar, flour. 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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