Why it works: Butter and bread are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 27,232 recipes. Both carry delta-decalactone, which smells sweet, creamy. The science ↓
Mixed Sandwiches
Ingredients
Directions
Prepare
Chop the cold boiled ham, tongue, and chicken very fine.
Make the filling
In a bowl, mix the chopped meats with butter, salad oil, mustard, egg yolk, and salt until smooth.
Assemble
Spread the mixture evenly on thin slices of bread.
Cut the sandwiches into desired shapes.
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 + breadtop 7% of all pairsSmell alikemoderateCooked together27,232 recipes
Shared aroma: delta-decalactone (sweet, creamy).
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Ham + breadtop 7% of all pairsSmell alikemoderateCooked together2,536 recipes
Shared aroma: 2-acetyl-1-pyrroline (popcorn, roasted).
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Chicken + mustardtop 13% of all pairsSmell alikemoderateCooked together2,192 recipes
Shared aroma: gamma-nonanolactone (coconut, creamy).
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Egg + breadtop 13% of all pairsSmell alikemoderateCooked together22,662 recipes
Shared aroma: (e)-2-octenal (fatty, green).
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Ham + chickentop 14% of all pairsSmell alikemoderateCooked together1,497 recipes
Shared aroma: 1-octen-3-ol (mushroom, earthy).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Cold boiled ham, tongue, and chicken
- Provide the meaty body of the filling, which is the main flavor of the sandwich.
- Butter
- Adds fat and richness, helping the meat mixture spread smoothly and feel moist.
- Egg yolk
- Acts as an emulsifier, binding the fat and meat into a smooth, stable paste.
- Mustard
- Adds sharp, acidic bite that cuts through the richness of the fat and meat.
The step that matters
Mixing until smooth. The meat must be chopped very fine and blended until smooth so the butter and egg yolk emulsify evenly. Coarse pieces leave the filling crumbly and hard to spread, and it may separate or feel greasy.
Swap the mustard
How well each one fits the dish's main ingredients (ham, chicken, butter, egg, bread):
- Asparagusfits better
- Leekfits better
- Potatofits about as well
- Mustardthe original
Fit is the average pairing score against ham, chicken, butter, egg, bread. 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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