Why it works: Egg and lemon are a kitchen classic. They rank in the top 19% of all ingredient pairs, and cooks put them together in 44,316 recipes. Both carry (e,e)-2,4-decadienal, which smells fatty, deep fried. The science ↓
French Dressing
Ingredients
Directions
In a bowl, beat the egg yolk until smooth.
Slowly add the oil while whisking until the mixture thickens.
Thin the dressing with lemon juice and season with salt.
Fold in the whipped cream and mix well.
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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Egg + lemontop 19% of all pairsSmell alikelowCooked together44,316 recipes
Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).
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Egg + creamtop 24% of all pairsSmell alikelowCooked together42,166 recipes
Shared aroma: acetic acid (sour, vinegar).
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Lemon + creamtop 30% of all pairsSmell alikelowCooked together15,640 recipes
Shared aroma: acetic acid (sour, vinegar).
Egg and lemon barely smell alike, yet cooks put them together in 44,316 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
- Egg yolk
- Emulsifies the oil into the lemon juice, giving the dressing its thick body.
- Oil
- Provides fat and richness, forming the body of the emulsified dressing.
- Lemon juice
- Adds acidity that brightens the dressing and thins it slightly.
- Whipped cream
- Adds air and softness, giving the dressing a lighter, creamier texture.
The step that matters
Slowly add the oil while whisking. Oil must be added gradually so the egg yolk can disperse it into tiny droplets. Adding it too fast breaks the emulsion, leaving the dressing oily and thin instead of thick.
Swap the lemon
How well each one fits the dish's main ingredients (egg, cream):
- Vanillafits better
- Raspberryfits better
- Strawberryfits better
- Lemonthe original
Fit is the average pairing score against egg, cream. 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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