Why it works: Carrot and pepper match in chemistry and in kitchens. They rank in the top 6% of all ingredient pairs, and cooks put them together in 14,555 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Brown Gravy Without Meat
Ingredients
Directions
Make the base
Slice and fry the onions and carrots in the butter until light brown.
Add the boiling water and remaining ingredients.
Simmer and finish
Let it stew gently for about 1 hour.
Strain and skim off all the fat when cold.
Thicken as desired.
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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Carrot + peppertop 6% of all pairsSmell alikestrongCooked together14,555 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Onion + carrottop 6% of all pairsSmell alikemoderateCooked together21,601 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Onion + peppertop 11% of all pairsSmell alikemoderateCooked together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Onion + buttertop 15% of all pairsSmell alikemoderateCooked together42,912 recipes
Shared aroma: decanal (soap, orange peel).
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Butter + beertop 15% of all pairsSmell alikemoderateCooked together680 recipes
Shared aroma: 2-furfurylthiol (coffee, roasted).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Onions
- Caramelise during frying, adding sweetness, colour and savoury depth to the gravy.
- Carrot
- Adds sweetness and body as it softens and breaks down during stewing.
- Butter
- Carries the frying heat and adds richness and browned flavour.
- Savoury herbs
- Add aromatic, herbal notes that build flavour during the long stew.
The step that matters
Frying the onions and carrots until light brown. Browning through the Maillard reaction builds colour and deep flavour. Going much darker turns the sugars bitter, which carries into the whole gravy.
Swap the onion
How well each one fits the dish's main ingredients (carrot, butter, beer, pepper):
- Capsicumfits better
- Potatofits better
- Tomatofits about as well
- Onionthe original
Fit is the average pairing score against carrot, butter, beer, 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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