Why it works: Butter and cream are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 41,516 recipes. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓
Lemon 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. The book gives no cooking times either; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.
Make the cake
Preheat the oven to 350°F (175°C).
In a bowl, mix 1 cup sugar, 4 eggs, 1 cup flour, and 2 tablespoons butter until smooth.
Add 1 teaspoon cream of tartar and ½ teaspoon baking soda (or 2 teaspoons baking powder) to the mixture and combine well.
Pour the batter into a greased cake pan and bake for about 25–30 minutes or until golden.
Make the lemon jelly
Combine the juice of 1 lemon, 1 cup sugar, 1 egg, and grated sour apple in a saucepan.
Beat the mixture together.
Bring the mixture to a hard boil.
Remove the mixture from heat.
Let the mixture cool while the cake bakes.
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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Butter + creamtop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Sugar + creamtop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
-
Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Lemon + appletop 14% of all pairsSmell alikemoderateCooked together7,551 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Butter + appletop 14% of all pairsSmell alikemoderateCooked together8,706 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
Flour and butter barely smell alike, yet cooks put them together in 124,287 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
- Provide structure and richness as they set during baking.
- Flour
- Forms the structure of the cake batter as it bakes.
- Sugar
- Sweetens the cake and helps it brown while keeping it tender.
- Butter
- Adds fat for a tender crumb and rich flavor.
- Cream of tartar
- Acidifies the batter and helps stabilize the egg foam.
- Baking soda
- Reacts with the acid in the batter to produce gas that lifts the cake.
- Lemon
- Adds acidity and bright citrus flavor to the jelly.
The step that matters
Bring the lemon jelly to a hard boil. The jelly thickens as it cooks and sets as it cools, so it needs enough heat to gel. Removing it from heat too early leaves it runny, while overcooking can make it stiff or scorch the sugar.
Swap the apple
How well each one fits the dish's main ingredients (sugar, egg, flour, butter, cream, lemon):
- Vanillafits better
- Raisinfits better
- Raspberryfits better
- Applethe original
Fit is the average pairing score against sugar, egg, flour, butter, cream, 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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