Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
Alice’s Lemon Jelly Cake
Ingredients
Directions
The book says “a slow oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.
Make the cake
Preheat the oven to 350°F (175°C).
Cream together the sugar and butter.
Add the sweet milk and eggs, mixing well.
Gradually add the flour and baking powder, stirring until combined.
Pour the batter into cake pans and bake until golden.
Make the jelly and assemble
For the jelly, steam the grated lemon rind and pulp with 1 cup of sugar and 1 egg until thickened.
Spread the jelly between the layers of cake.
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 + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Milk + flourtop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Sugar + flourtop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
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Milk + lemontop 15% of all pairsSmell alikemoderateCooked together19,053 recipes
Shared aroma: 2-nonenal (fatty, green).
Butter and flour 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
- Butter
- Creams with the sugar to trap air, giving the cake a tender crumb.
- Eggs
- Bind the batter and add structure and richness as they set in the oven.
- Flour
- Forms the main structure of the cake once its proteins set during baking.
- Baking powder
- Releases gas in the batter so the cake rises and becomes light.
- Lemon rind and pulp
- Adds bright acidity and aroma to the jelly filling.
The step that matters
Make the jelly by steaming until thickened. The egg and sugar mixture with lemon must be cooked gently until it thickens. Overheating can curdle the egg, while undercooking leaves the filling runny and unable to set between the cake layers.
Swap the lemon
How well each one fits the dish's main ingredients (sugar, butter, milk, egg, flour):
- Vanillafits better
- Raisinfits better
- Figfits better
- Lemonthe original
Fit is the average pairing score against sugar, butter, milk, egg, 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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