Name: Sauce a LA Poivrade
Ingredients: ½ cup vinegar; a little meat jus; 1 onion, sliced; 1 slice of lemon; coarse sea salt, to taste; black pepper, to taste

Why it works: Lemon and pepper match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and 27,039 recipes mention both. Both carry 2-nonenal, which smells fatty, green. The science ↓

The recipe

Ingredients

Directions

Make the sauce

Combine vinegar, meat jus, sliced onion, and lemon slice in a saucepan.
Season with coarse sea salt and black pepper.
Bring to a boil, then strain through a fine sieve.

Serve

Serve in a sauceboat with the roast joint.

Recipe from a historical cookbook (Internet Archive).

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 aroma chemistry they share, and how many recipes mention both.

Lemon + peppertop 2% of all pairs

Aroma overlapstrong

Mentioned together27,039 recipes

Shared aroma: 2-nonenal (fatty, green).
Vinegar + peppertop 6% of all pairs

Aroma overlapmoderate

Mentioned together27,805 recipes

Shared aroma: 4'-methylacetophenone (bitter almond).
Onion + peppertop 6% of all pairs

Aroma overlapmoderate

Mentioned together68,463 recipes

Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Vinegar + oniontop 7% of all pairs

Aroma overlapmoderate

Mentioned together18,203 recipes

Shared aroma: acetic acid (sour, vinegar).
Meat + oniontop 7% of all pairs

Aroma overlapmoderate

Mentioned together6,358 recipes

Shared aroma: guaiacol (smoky, sweet).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Vinegar: Adds acidity that sharpens the sauce and balances the rich meat jus.
Meat jus: Provides the savoury meaty base and body of the sauce.
Onion: Adds aromatic sweetness and flavour as it infuses the liquid.

Flavor stand-ins for the lemon

How well each one fits the dish's main ingredients (vinegar, meat, onion, pepper):

Limebetter flavor fit
Avocadobetter flavor fit
Grapeabout as good a flavor fit
Lemonthe original

Fit is the average pairing score against vinegar, meat, onion, pepper. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).

“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.