Why it works: Parsley and lemon match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 14,037 recipes. Both carry beta-phellandrene, which smells minty, terpene. The science ↓
Stewed Sweetbreads
Ingredients
Directions
Prepare
Soak the sweetbreads and trim off any fat and refuse.
Stew and strain
Stew the sweetbreads gently with the parboiled onion and a little parsley in white stock or water for 30 minutes.
Remove the sweetbreads and strain the gravy.
Finish the sauce
Return the gravy to the pan and thicken it with a little flour and the egg.
Add cream and flavor with lemon juice.
If desired, add chopped mushrooms and cook for an additional 15 minutes.
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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Parsley + lemontop 1% of all pairsSmell alikestrongCooked together14,037 recipes
Shared aroma: beta-phellandrene (minty, terpene).
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Onion + parsleytop 9% of all pairsSmell alikemoderateCooked together25,843 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Onion + mushroomtop 10% of all pairsSmell alikemoderateCooked together10,626 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Parsley + mushroomtop 11% of all pairsSmell alikemoderateCooked together6,132 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Parsley + flourtop 12% of all pairsSmell alikemoderateCooked together16,675 recipes
Shared aroma: isobutyraldehyde (malty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Sweetbreads
- Provide the tender, delicate meat that is the main component of the dish.
- Flour
- Thickens the gravy so it becomes a smooth, coating sauce.
- Egg
- Adds richness and further thickens the gravy as it heats.
- Cream
- Adds fat and body, giving the gravy a smooth, rounded texture.
- Lemon juice
- Adds acidity that brightens the rich cream and gravy.
- Chopped mushrooms
- Add earthy flavor and a firmer texture to the stewed dish.
The step that matters
Thickening the gravy with egg. Egg proteins set when heated, so the egg must be stirred in gently off heat or over low heat. If the gravy is too hot, the egg can curdle and leave the sauce grainy instead of smooth.
Swap the onion
How well each one fits the dish's main ingredients (parsley, flour, egg, cream, lemon, mushroom):
- Shallotfits better
- Spinachfits better
- Arrowrootfits better
- Onionthe original
Fit is the average pairing score against parsley, flour, egg, cream, lemon, mushroom. 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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