Why it works: Vinegar and onion are a kitchen classic. They rank in the top 14% of all ingredient pairs, and cooks put them together in 18,226 recipes. Both carry acetic acid, which smells sour, vinegar. The science ↓
French Dressing
Ingredients
Directions
Ensure all ingredients are cold.
Mix the oil, salt, vinegar, paprika, lemon juice, and onion juice thoroughly.
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.
-
Vinegar + oniontop 14% of all pairsSmell alikemoderateCooked together18,226 recipes
Shared aroma: acetic acid (sour, vinegar).
-
Lemon + oniontop 19% of all pairsSmell alikemoderateCooked together15,646 recipes
Shared aroma: decanal (soap, orange peel).
-
Vinegar + lemontop 20% of all pairsSmell alikemoderateCooked together7,334 recipes
Shared aroma: acetic acid (sour, vinegar).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Oil
- Provides the fat base and smooth body that carries the dressing's flavour.
- Vinegar
- Adds acidity that gives the dressing its sharp, tangy bite.
- Lemon juice
- Adds extra acidity and bright citrus flavour.
Swap the onion
The recipe marks onion as optional. How well each one fits the dish's main ingredients (vinegar, lemon):
- Shallotfits better
- Cucumberfits better
- Broccolifits better
- Onionthe original
Fit is the average pairing score against vinegar, lemon. 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.
You might also like
The free Flavor Lab newsletter: one surprising pairing a week and the molecular reason it works, in 60 seconds. No spam, unsubscribe anytime.
Prefer an account? Create a free account to save pairings and unlock the full chemistry.
Chicken Salad623 recipes
Salad Dressing491 recipes
Tomato Salad179 recipes
Cold Slaw160 recipes