Why it works: Shallot and parsley match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 3,737 recipes. Both carry 2,4-decadienal, which smells seaweed. The science ↓
Onions Stuffed
12 large onionsIngredients
Directions
Prepare the onions
Peel the onions.
Cut a piece off the top and bottom to flatten them.
Blanch the onions.
Lay them on a cloth to dry.
Remove the middle of each onion.
Stuff and cook
Fill the cavity with veal forcemeat mixed with shallot, parsley, and mushrooms.
Place the stuffed onions in a well-buttered sauté pan.
Cover the pan with white broth.
Simmer over low heat until tender and glazed.
Turn the onions over.
Serve 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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Shallot + parsleytop 1% of all pairsSmell alikestrongCooked together3,737 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Shallot + mushroomtop 4% of all pairsSmell alikemoderateCooked together1,982 recipes
Shared aroma: 2,4-decadienal (seaweed).
-
Mushroom + buttertop 7% of all pairsSmell alikemoderateCooked together12,525 recipes
Shared aroma: trans-2-decenal (waxy, orange).
-
Onion + shallottop 8% of all pairsSmell alikestrongCooked together2,431 recipes
Shared aroma: 2,4-decadienal (seaweed).
-
Onion + parsleytop 9% of all pairsSmell alikemoderateCooked together25,843 recipes
Shared aroma: 2,4-decadienal (seaweed).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Veal forcemeat
- Forms the savory filling that cooks into a tender, moist centre inside each onion.
- Butter
- Enriches the pan and helps the onions brown and glaze as they cook.
- White broth
- Provides liquid for gentle simmering, keeping the onions moist and tender.
- Chopped mushrooms
- Adds earthy flavour and moisture to the stuffing.
The step that matters
Simmer over low heat until tender and glazed. Gentle heat lets the onions soften through without breaking, while the forcemeat sets fully. High heat would toughen the meat and could scorch the butter and broth before the onions are cooked.
Swap the onion
How well each one fits the dish's main ingredients (veal, shallot, parsley, mushroom, butter):
- Chivefits better
- Leekfits better
- Carrotfits better
- Onionthe original
Fit is the average pairing score against veal, shallot, parsley, mushroom, butter. 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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