Why it works: Onion and garlic match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 29,058 recipes. Both carry furaneol, which smells caramel, strawberry. The science ↓
Poivrade Sauce
Ingredients
Directions
Melt the butter in a stewpan.
Add the onions, carrots, turnips, garlic, shallots, cloves, bay leaf, thyme, and basil.
Cook while stirring until they begin to color.
Sprinkle in the flour and mix well.
Pour in the red wine and water, then add the vinegar, pepper, and salt.
Boil for 30 minutes, then skim and strain the sauce.
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.
Photo for illustrative purposes only · Contact us to use it
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.
-
Onion + garlictop 1% of all pairsSmell alikestrongCooked together29,058 recipes
Shared aroma: furaneol (caramel, strawberry).
-
Shallot + thymetop 1% of all pairsSmell alikestrongCooked together1,476 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
-
Carrot + turniptop 1% of all pairsSmell alikestrongCooked together8,002 recipes
Shared aroma: coumarin (sweet, hay).
-
Turnip + shallottop 1% of all pairsSmell alikestrongCooked together202 recipes
Shared aroma: coumarin (sweet, hay).
-
Clove + thymetop 2% of all pairsSmell alikestrongCooked together4,108 recipes
Shared aroma: cuminaldehyde (Spicy, cumin).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Butter
- Carries the aromatics and adds richness and flavor to the sauce base.
- Flour
- Thickens the sauce as it cooks with the butter and liquid.
- Red wine
- Adds acidity and deep flavor that gives the sauce its character.
- Onions
- Build savory sweetness and color as they brown in the butter.
- Carrots
- Add natural sweetness and body to the flavor base.
- Turnips
- Contribute earthy flavor and body to the flavor base.
The step that matters
Cook the vegetables until they begin to color. Browning the onions, carrots, and turnips in butter builds deeper savory flavor. Stopping too early leaves the sauce flat, while over-browning can make it bitter.
Swap the clove
How well each one fits the dish's main ingredients (butter, onion, carrot, turnip, garlic, shallot, thyme):
- Parsleyfits better
- Capersfits better
- Marjoramfits better
- Clovethe original
Fit is the average pairing score against butter, onion, carrot, turnip, garlic, shallot, thyme. 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.

Carrot Soup134 recipes
Turnip Soup43 recipes
Tomato Soup526 recipes
Brown Bread461 recipes