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 ↓
Beulah Egg
Ingredients
Directions
Beat the egg whites until frothy.
Slowly add the juice of half a lemon while continuing to beat for a few minutes.
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).
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 whites
- Trap air when beaten, creating a light, foamy structure that sets as it is whisked.
- Lemon juice
- Adds acidity that helps stabilise the foam and keeps it from collapsing quickly.
The step that matters
Adding the lemon juice slowly. Acid added in a thin stream while beating is incorporated evenly, which helps the foam stay stable. Pouring it in all at once can deflate the whites.
“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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