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 ↓
Lemon Cake
Ingredients
Directions
The book says “a quick oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Prepare the cake
Preheat the oven to 400°F (200°C).
Cream together the sugar and butter.
Add the flour, beaten eggs, sweet milk, cream of tartar, and baking soda; mix well.
Make the jelly
For the jelly, combine sugar, butter, eggs, and lemon juice in a saucepan.
Boil the jelly mixture until it reaches a jelly-like consistency.
Variation
For an orange cake, substitute lemons with oranges.
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.
Photo for illustrative purposes only · Contact us to use it
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 + 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).
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Milk + coffeetop 10% of all pairsSmell alikemoderateCooked together2,202 recipes
Shared aroma: 4-heptenal (creamy, biscuit).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, 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
- Adds fat and richness, giving the cake a tender crumb and flavor.
- Eggs
- Provide structure and richness, helping the batter set as it bakes.
- Flour
- Forms the structure of the cake as its proteins set during baking.
- Cream of tartar
- Acidifies the batter and stabilizes it, helping the leavening work well.
- Baking soda
- Reacts with the acidic ingredients to produce gas that helps the cake rise.
The step that matters
Boil the jelly mixture until it reaches a jelly-like consistency. Jelly thickens as it cooks because the eggs set and the sugar and juice concentrate. Stopping too early leaves it runny, while overcooking can make the eggs curdle or turn grainy.
Swap the lemon
How well each one fits the dish's main ingredients (sugar, butter, flour, egg, milk, cream, coffee):
- Vanillafits better
- Raisinfits better
- Figfits better
- Lemonthe original
Fit is the average pairing score against sugar, butter, flour, egg, milk, cream, coffee. 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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