Why it works: Onion and potato are a kitchen classic. They rank in the top 3% of all ingredient pairs, and cooks put them together in 9,023 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Irish Stew
Ingredients
Directions
Prepare the mutton
Blanch the mutton chops in boiling water for 2-3 minutes, then transfer to ice-cold water.
Place the chops in a clean stewpan and barely cover with cold water.
Bring to a boil and skim clean.
Add salt.
Simmer the stew
Add parsley, mace, and peppercorns.
Simmer for 20 minutes.
Add whole onions and flour mixed with cold water.
Let it simmer for 1 hour.
Add peeled and cut potatoes.
Boil until the potatoes are done.
Serve
Dish the chops around the plate.
Pour the onions and potatoes into the center.
Strain the gravy, add chopped parsley, and pour over the stew.
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.
Photo for illustrative purposes only · Contact us to use it
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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Onion + potatotop 3% of all pairsSmell alikemoderateCooked together9,023 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Parsley + potatotop 5% of all pairsSmell alikemoderateCooked together2,855 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Parsley + oniontop 9% of all pairsSmell alikemoderateCooked together25,843 recipes
Shared aroma: 2,4-decadienal (seaweed).
-
Parsley + flourtop 12% of all pairsSmell alikemoderateCooked together16,675 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Parsley + macetop 15% of all pairsSmell alikemoderateCooked together4,268 recipes
Shared aroma: myristicin (spice, warm).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Mutton chops
- Provide the meat that becomes tender and flavours the broth during long simmering.
- Flour
- Thickens the cooking liquid into a gravy as it simmers.
- Potatoes
- Add starch that soaks up broth and gives the stew body and substance.
- Onions
- Add sweetness and aroma as they soften into the broth.
The step that matters
Skim clean after bringing to a boil. Foam and impurities rise to the surface as the water heats. Removing them before the long simmer keeps the broth clear and free of bitter or off flavours.
Swap the mace
How well each one fits the dish's main ingredients (mutton, parsley, onion, flour, potato):
- Garlicfits better
- Capersfits better
- Thymefits better
- Macethe original
Fit is the average pairing score against mutton, parsley, onion, flour, potato. 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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