Why it works: Butter and cream are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 41,516 recipes. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓
Croquettes of Sweetbreads
Ingredients
Directions
Prepare the sweetbreads
Soak sweetbreads in cold salted water for 1 hour, removing pipes and membranes.
Boil sweetbreads in salted water with vinegar for 20 minutes.
Cool sweetbreads in cold water.
Make the mixture
Chop sweetbreads finely to a paste and season with salt, pepper, and grated onion.
Add beaten egg yolks, butter, cream, and enough cracker crumbs to form a stiff mixture.
Shape the mixture into small balls or cork shapes.
Coat, fry and serve
Roll each croquette in cracker dust.
Dip each croquette in beaten eggs.
Roll each croquette again in cracker dust.
Fry each croquette in hot fat until golden brown.
Drain the fried croquettes on brown paper.
Serve hot with sliced lemon or parsley.
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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Butter + creamtop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
-
Pepper + oniontop 11% of all pairsSmell alikemoderateCooked together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Vinegar + oniontop 14% of all pairsSmell alikemoderateCooked together18,226 recipes
Shared aroma: acetic acid (sour, vinegar).
-
Vinegar + peppertop 14% of all pairsSmell alikemoderateCooked together27,814 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Onion + buttertop 15% of all pairsSmell alikemoderateCooked together42,912 recipes
Shared aroma: decanal (soap, orange peel).
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 of the croquettes, becoming soft and finely textured once chopped.
- Eggs
- Bind the mixture and form a coating that helps the crumbs adhere.
- Cracker crumbs
- Absorb moisture so the mixture holds its shape, and form a crisp golden coating.
- Butter
- Adds fat and richness, contributing flavour and a tender interior.
- Cream
- Adds moisture and softness to the mixture, keeping the interior tender.
The step that matters
Forming a stiff mixture. If the mixture is too wet, the croquettes will slump or crack in the hot fat. Enough cracker crumbs absorb the liquid so the shapes hold together while frying.
Swap the onion
How well each one fits the dish's main ingredients (veal, vinegar, pepper, egg, butter, cream):
- Capsicumfits better
- Asparagusfits about as well
- Potatofits about as well
- Onionthe original
Fit is the average pairing score against veal, vinegar, pepper, egg, butter, cream. 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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