Why it works: Butter and caviar work together. They rank in the top 10% of all ingredient pairs, and cooks put them together in 107 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓
Danish Sandwiches
Ingredients
Directions
Prepare the bread
Spread a thick layer of butter on thin slices of pumpernickel.
Remove the crusts from the pumpernickel.
Assemble the sandwiches
Top with your choice of cold roast beef, veal, sardines, hard boiled eggs, chopped raw beef, cold lobster, caviar, or sturgeon.
Add thin slices of cucumber or horseradish on the meats.
For lobster, add a little mayonnaise.
For caviar and chopped beef, add onion.
Sprinkle a little paprika on top.
Serve
Arrange the sandwiches on a large platter.
Serve with celery stuffed with Roquefort cheese.
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 + caviartop 10% of all pairsSmell alikemoderateCooked together107 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
-
Beef + vealtop 11% of all pairsSmell alikemoderateCooked together3,784 recipes
Shared aroma: 2,6-nonadienal (cucumber, green).
-
Egg + caviartop 11% of all pairsSmell alikemoderateCooked together101 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Caviar + cucumbertop 12% of all pairsSmell alikelowCooked together31 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
-
Lobster + sturgeontop 13% of all pairsSmell alikemoderateCooked together27 recipes
Shared aroma: 2,6-nonadienal (cucumber, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Butter
- Forms a fatty layer that keeps the bread from soaking up moisture from the toppings.
- Pumpernickel
- Provides a dense, sturdy base that holds the toppings without going soggy.
- Mayonnaise
- Adds moisture and richness to the lobster topping.
- Roquefort cheese
- Adds sharp, salty flavor to the celery served alongside.
Swap the cucumber
How well each one fits the dish's main ingredients (butter, beef, veal, egg, lobster, caviar, sturgeon):
- Onionfits about as well
- Shallotfits about as well
- Potatofits about as well
- Cucumberthe original
Fit is the average pairing score against butter, beef, veal, egg, lobster, caviar, sturgeon. 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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