Why it works: Lettuce and lemon match in chemistry and in kitchens. They rank in the top 9% of all ingredient pairs, and cooks put them together in 1,559 recipes. Both carry trans-2-hexenal, which smells green, leafy. The science ↓
Lettuce Salad
Ingredients
Directions
Prepare the dressing
In a saucepan, combine nut butter and water, stirring until smooth.
Add lemon juice, sugar, and salt, and bring to a boil for a moment.
Remove from heat and let cool before pouring over the lettuce.
Assemble
Tear the lettuce into pieces and place on a plate or shallow platter.
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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Lettuce + lemontop 9% of all pairsSmell alikestrongCooked together1,559 recipes
Shared aroma: trans-2-hexenal (green, leafy).
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Butter + lemontop 16% of all pairsSmell alikemoderateCooked together41,227 recipes
Shared aroma: 3-hexenal (apple, fruity).
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Butter + sugartop 17% of all pairsSmell alikemoderateCooked together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
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Lemon + sugartop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
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Lettuce + buttertop 25% of all pairsSmell alikemoderateCooked together2,287 recipes
Shared aroma: trans-2-hexenal (green, leafy).
Lemon and sugar barely smell alike, yet cooks put them together in 53,532 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
- Nut butter
- Provides body and richness, thickening the dressing into a creamy, smooth sauce.
- Lemon juice
- Adds acidity that brightens the flavor and balances the sweetness and richness.
- Sugar
- Adds a touch of sweetness that rounds out the lemon's sharpness.
The step that matters
Let the dressing cool before pouring. Nut butter thickens as it cools, so pouring it while hot can wilt the lettuce and leave the dressing thin and runny.
Swap the lettuce
How well each one fits the dish's main ingredients (butter, lemon, sugar):
- Arrowrootfits better
- Shallotfits better
- Leekfits better
- Lettucethe original
Fit is the average pairing score against butter, lemon, sugar. 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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