Why it works: Walnut and pepper are a kitchen classic. They rank in the top 13% of all ingredient pairs, and cooks put them together in 3,039 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓
Walnut Gravy
Ingredients
Directions
Make the vegetable stock as directed and strain it.
Season the stock with salt and pepper to taste.
Add the walnut ketchup and stir well.
For a richer color, add a few drops of caramel before serving.
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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Walnut + peppertop 13% of all pairsSmell alikemoderateCooked together3,039 recipes
Shared aroma: 2-nonenal (fatty, green).
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Walnut + ketchuptop 22% of all pairsSmell alikelowCooked together596 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Ketchup + peppertop 24% of all pairsSmell alikelowCooked together3,207 recipes
Shared aroma: ethanol (alcoholic, ethereal).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Vegetable stock
- Forms the liquid base that gives the gravy its body and carries its flavor.
- Walnut ketchup
- Adds concentrated, savory, slightly tangy flavor to the gravy.
Swap the walnut
How well each one fits the dish's main ingredients (ketchup, pepper):
- Walnutthe original
- Beansfits about as well
- Chestnutfits less well
- Peasfits less well
Fit is the average pairing score against ketchup, pepper. 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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