Why it works: Sugar and lemon are a kitchen classic. They rank in the top 18% of all ingredient pairs, and cooks put them together in 53,532 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓
Egg Jellies
Ingredients
Directions
Prepare
Rub the sugar on the lemon rind.
Squeeze the juice from the lemons.
Add enough cold water to make 1 pint.
Beat the eggs.
Make the jelly
Combine all ingredients in a saucepan.
Whisk until almost boiling, but do not boil.
Strain the mixture.
Pour into little moulds rinsed with cold water.
Unmould and serve
Once firm, dip the moulds in warm water for a moment.
Turn the moulds onto a cold dish.
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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Sugar + lemontop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
-
Egg + lemontop 19% of all pairsSmell alikelowCooked together44,316 recipes
Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).
-
Egg + sugartop 21% of all pairsSmell alikemoderateCooked together122,807 recipes
Shared aroma: 2-nonenal (fatty, green).
Sugar and lemon 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
- Eggs
- Set the jelly into a delicate, tender structure as they cook gently.
- Loaf sugar
- Sweetens the jelly and balances the sharpness of the lemon.
- Gelatine
- Provides the firm setting that holds the jelly's shape when unmoulded.
- Lemons
- Add acidity and aroma from the rind and juice.
The step that matters
Whisk until almost boiling, but do not boil.. Eggs thicken as they heat but scramble if they boil, leaving lumps and a grainy texture. Keeping the mixture just below boiling lets it thicken smoothly.
Swap the lemon
How well each one fits the dish's main ingredients (egg, sugar):
- Vanillafits better
- Raisinfits about as well
- Lemonthe original
- Datesfits less well
Fit is the average pairing score against egg, 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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