Why it works: Carrot and parsley match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 8,053 recipes. Both carry 2,4-decadienal, which smells seaweed. The science ↓
Hashes and Minces
Ingredients
Directions
Prepare
Trim the meat, removing any browned parts.
Blanch the onion halves for 5 minutes, then mince finely.
Make the hash
In a saucepan, melt the butter or dripping over medium heat.
Add the minced onion and fry until light golden brown.
Gradually stir in the hot water and glaze or essence.
Add the meat scraps, peppercorns, sugar, salt, anchovy, celery, carrot, and parsley.
Allow to simmer gently, stirring occasionally, for as long as possible.
Increase heat slightly until the surface steams, then serve.
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 + parsleytop 1% of all pairsSmell alikestrongCooked together8,053 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Celery + carrottop 1% of all pairsSmell alikestrongCooked together10,173 recipes
Shared aroma: myristicin (spice, warm).
-
Celery + parsleytop 1% of all pairsSmell alikestrongCooked together6,810 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Onion + carrottop 6% of all pairsSmell alikemoderateCooked together21,601 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Onion + celerytop 7% of all pairsSmell alikemoderateCooked together18,518 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
- Onion
- Frying until light golden brown builds savoury flavour and sweetness as the onion browns.
- Butter
- Adds fat for frying the onion and gives the sauce a rich, rounded flavour.
- Meat scraps
- Supply the main meaty flavour, which deepens as the scraps simmer in the liquid.
- Carrot
- Adds gentle sweetness and body to the simmering liquid.
- Anchovy
- Adds a savoury, umami depth that enriches the broth without tasting distinctly fishy.
The step that matters
Gentle simmering. A gentle simmer extracts flavour from the meat and vegetables slowly while keeping the liquid clear. A hard boil would make it cloudy and reduce it unevenly, so keep the heat low and steady.
Swap the onion
How well each one fits the dish's main ingredients (butter, meat, sugar, anchovy, celery, carrot, parsley):
- Turnipfits better
- Potatofits better
- Parsnipfits better
- Onionthe original
Fit is the average pairing score against butter, meat, sugar, anchovy, celery, carrot, parsley. 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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