Why it works: Parsley and celery match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 6,810 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓
Sweetbread Croquettes
Ingredients
Directions
Prepare the sweetbreads
Parboil the sweetbreads with a little lemon juice in the water.
Transfer the sweetbreads to cold water.
Remove the outer skin and membrane from the sweetbreads.
Chop the sweetbreads finely.
Measure the chopped sweetbreads to make a pint.
Make the filling
Melt the butter.
Add the flour to the melted butter.
Stir in the cream until smooth.
Add the yolk of one egg to the mixture.
Season the mixture with salt, pepper, onion juice, chopped parsley, and celery salt.
Mix in the sweetbreads and mushrooms.
Cook the mixture for a few minutes.
Let the mixture cool.
Shape and fry
Shape the cooled mixture into croquettes.
Dip the croquettes in bread crumbs and diluted egg.
Coat the croquettes with more crumbs.
Fry the croquettes in hot lard until golden brown.
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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Parsley + celerytop 1% of all pairsSmell alikestrongCooked together6,810 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Pepper + parsleytop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Pepper + celerytop 5% of all pairsSmell alikestrongCooked together16,012 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Mushroom + buttertop 7% of all pairsSmell alikemoderateCooked together12,525 recipes
Shared aroma: trans-2-decenal (waxy, orange).
-
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
- Sweetbreads
- Provide the main body and tender, delicate texture of the croquette filling.
- Butter
- Enriches the base and adds richness to the flour-thickened sauce.
- Flour
- Thickens the butter and cream into a binding base that holds the filling together.
- Cream
- Adds moisture and richness, forming a smooth sauce that keeps the filling soft.
- Egg yolk
- Adds richness and helps bind the filling so it holds its shape.
- Mushrooms
- Add moisture and earthy flavour to the filling.
The step that matters
Let the mixture cool. A warm, loose filling will not hold its shape when shaped and can split or spread in the hot lard. Cooling lets the flour-thickened cream set so the croquettes keep their form and fry evenly.
Swap the onion
How well each one fits the dish's main ingredients (mushroom, butter, flour, cream, pepper, parsley, celery):
- Carrotfits better
- Shallotfits better
- Spinachfits better
- Onionthe original
Fit is the average pairing score against mushroom, butter, flour, cream, pepper, parsley, celery. 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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