Why it works: Tarragon and vinegar are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 2,547 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Tarragon Sauce
Ingredients
Directions
Pour tarragon vinegar into a saucepan and reduce it to half the quantity.
Add good butter sauce and mix well.
If the sauce is not strong enough, add a little glaze and a bit more tarragon vinegar.
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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Tarragon + vinegartop 7% of all pairsSmell alikemoderateCooked together2,547 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Butter + saucetop 15% of all pairsSmell alikelowCooked together15,338 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Tarragon + saucetop 17% of all pairsSmell alikelowCooked together566 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Tarragon + buttertop 17% of all pairsSmell alikemoderateCooked together1,572 recipes
Shared aroma: anethole (sweet, anise).
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Vinegar + buttertop 23% of all pairsSmell alikemoderateCooked together13,513 recipes
Shared aroma: isoamyl acetate (banana, pear).
Butter and sauce barely smell alike, yet cooks put them together in 15,338 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
- Tarragon vinegar
- Provides the sharp, aromatic tarragon flavour that defines the sauce, concentrated by reduction.
- Good butter sauce
- Supplies the rich, buttery body and most of the volume of the finished sauce.
The step that matters
Reducing the tarragon vinegar. Reducing concentrates the vinegar's acidity and tarragon aroma. Reducing too far can make the sauce overly sharp, while too little leaves it weak in flavour, so the reduction should be watched closely.
Swap the tarragon
How well each one fits the dish's main ingredients (vinegar, butter, sauce):
- Tarragonthe original
- Capersfits about as well
- Garlicfits less well
- Parsleyfits less well
Fit is the average pairing score against vinegar, butter, sauce. 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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