Why it works: Lemon and pepper match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 27,047 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓
Mayonnaise Dressing
Ingredients
Directions
Prepare
Chill the plate, eggs, oil, and fork.
Put the yolks of two eggs, freed from the whites, in a good-sized bowl.
Add two tablespoons of salt and beat with an egg beater.
Make the dressing
Add a teacup of oil, dropping it in slowly at first.
Add a teaspoon of vinegar and the juice of one lemon.
Season with salt, pepper, and a teaspoon of mustard.
Finish and serve
When finished, the dressing should be thick and smooth; it should not be strongly acidic.
Do not serve mayonnaise dressing with a heavy dinner.
Nutrition, whole recipe (rough)
What these numbers assume: 5 portions
| Ingredient | Portion assumed | kcal |
|---|---|---|
| Egg | 1 large egg (50g) | 78 |
| Lemon | juice of 1 lemon (48ml) | 12 |
| Black Pepper | 1 tsp ground (2.3g) | 6 |
| Vinegar | 1 tbsp (15ml) distilled | 3 |
| Salt | 1 tsp (6g) | 0 |
One typical portion per ingredient; the recipe's quantities are not counted. A rough guide only, not for medical or dietary planning.
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. See the original page.
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.
-
Lemon + peppertop 3% of all pairsSmell alikestrongCooked together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
-
Vinegar + peppertop 14% of all pairsSmell alikemoderateCooked together27,814 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Egg + lemontop 19% of all pairsSmell alikelowCooked together44,316 recipes
Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).
-
Vinegar + lemontop 20% of all pairsSmell alikemoderateCooked together7,334 recipes
Shared aroma: acetic acid (sour, vinegar).
-
Vinegar + eggtop 33% of all pairsSmell alikelowCooked together12,922 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 yolks
- Emulsifiers that bind the oil and water into a thick, smooth dressing.
- Oil (in the method)
- Forms the body of the dressing when dispersed slowly into the yolks.
- Lemon juice
- Adds acidity that brightens flavour and helps keep the emulsion stable.
- Vinegar
- Adds sharp acidity that balances the richness of the oil.
The step that matters
Adding the oil. Oil must be dropped in slowly at first so it emulsifies into the yolks. Adding it too fast can break the mixture, leaving it thin and separated instead of thick and smooth.
“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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