Why it works: Lemon and orange match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 10,634 recipes. Both carry 3-hexenal, which smells apple, fruity. The science ↓
General Lee's Jelly 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
Preheat the oven to 350°F (175°C).
In a bowl, beat the 10 eggs until light and fluffy.
Gradually add 1 pound of sugar and ½ pound of flour, mixing well.
Add the rind and juice of 1 lemon, and mix until combined.
Pour the batter into jelly cake tins and bake until golden.
Make the frosting and assemble
In another bowl, beat the 2 egg whites until stiff peaks form.
Gradually add 1 pound of sugar, then mix in the grated rind and juice of 1 orange and juice of ½ lemon.
Spread the frosting on the cakes while they are still warm, and layer them on top of each other.
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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Lemon + orangetop 1% of all pairsSmell alikestrongCooked together10,634 recipes
Shared aroma: 3-hexenal (apple, fruity).
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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).
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
- Whipped into foam, they trap air that lifts and lightens the cake.
- Flour
- Its proteins set during baking, giving the cake its structure.
- Sugar
- Adds sweetness and, with the egg whites, helps stabilize the frosting.
- Egg whites
- Whipped to stiff peaks, they give the frosting a light, airy body.
- Lemon juice
- Adds acidity that brightens the flavor and balances the sweetness.
The step that matters
Beat the egg whites to stiff peaks before adding the sugar. Egg whites whip best when clean and free of fat or yolk. Adding sugar gradually keeps the foam stable. Under-whipped or collapsed whites give a runny frosting that will not hold its shape.
Swap the orange
How well each one fits the dish's main ingredients (egg, sugar, flour, lemon):
- Raisinfits better
- Vanillafits better
- Orangethe original
- Blueberryfits about as well
Fit is the average pairing score against egg, sugar, flour, lemon. 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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