Why it works: Egg and vinegar are a kitchen classic. They rank in the top 33% of all ingredient pairs, and cooks put them together in 12,922 recipes. Both carry acetic acid, which smells sour, vinegar. The science ↓
Sauce Mayonnaise
Ingredients
Directions
Put into a large basin the yolks only of two very fresh eggs, carefully freed from specks, with a little salt and cayenne; stir these well together, then add about a teaspoonful of the purest salad oil, and work the mixture round with a wooden spoon until it appears like cream.
Pour in by slow degrees nearly half a pint of oil, continuing at each interval to work the sauce as at first until it resumes the smoothness of cream, and not a particle of the oil remains visible; then add a couple of tablespoonsful of plain French or of tarragon vinegar, and one of cold water to whiten the sauce.
Add a bit of clear veal jelly the size of an egg to improve the sauce.
Nutrition, whole recipe (rough)
What these numbers assume: 5 portions
| Ingredient | Portion assumed | kcal |
|---|---|---|
| Olive Oil | 1 tbsp (14g) | 119 |
| Eggs | 1 large egg (50g) | 78 |
| Cayenne | 1 tsp (1.8g) | 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.
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Egg + vinegartop 33% of all pairsSmell alikelowCooked together12,922 recipes
Shared aroma: acetic acid (sour, vinegar).
Egg and vinegar barely smell alike, yet cooks put them together in 12,922 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
- Their lecithin and proteins emulsify the oil, giving the sauce its thick, creamy structure.
- Oil
- Forms the body of the sauce as tiny droplets suspended in the egg yolk mixture.
- Vinegar
- Adds acidity that sharpens the flavour and helps keep the sauce stable.
The step that matters
Adding the oil slowly. Oil must be added in a thin stream while whisking so the droplets disperse finely. Adding it too fast breaks the emulsion, leaving the sauce oily and separated.
“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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