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
Make the emulsion
In a mixing bowl, combine dry mustard, powdered sugar, salt, red pepper, and beaten egg yolk. Mix well.
Gradually add 2 to 3 teaspoons of olive oil while beating constantly.
Alternately add 1 teaspoon each of lemon juice, olive oil, and vinegar until all ingredients are used.
Ensure thorough beating and avoid adding too much oil at once.
Chill and serve
Keep the dressing on ice.
Before serving, fold in whipped cream.
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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Lemon + peppertop 3% of all pairsSmell alikestrongCooked together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
-
Vinegar + mustardtop 7% of all pairsSmell alikemoderateCooked together14,067 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Olive + lemontop 7% of all pairsSmell alikemoderateCooked together11,922 recipes
Shared aroma: 3-hexenal (apple, fruity).
-
Olive + mustardtop 8% of all pairsSmell alikestrongCooked together5,950 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
-
Mustard + peppertop 9% of all pairsSmell alikemoderateCooked together15,430 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Egg yolk
- Its lecithin emulsifies the oil and vinegar into a thick, stable dressing.
- Olive oil
- Forms the rich, fatty body of the dressing as it is beaten into the yolk.
- Lemon juice
- Adds acidity that brightens the flavour and helps balance the richness.
- Vinegar
- Adds sharp acidity that sharpens the flavour and balances the oil.
- Whipped cream
- Adds lightness and a softer, creamier texture when folded in at the end.
The step that matters
Adding the oil gradually while beating constantly. Oil must be dispersed into tiny droplets around the egg yolk's emulsifier. Adding too much at once overwhelms it, so the mixture breaks and separates instead of thickening.
Swap the lemon
How well each one fits the dish's main ingredients (olive, vinegar, mustard, sugar, pepper, egg, cream):
- Lemonthe original
- Avocadofits about as well
- Cherryfits about as well
- Limefits less well
Fit is the average pairing score against olive, vinegar, mustard, sugar, pepper, 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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