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 ↓
Tongue Sandwiches
Ingredients
Directions
Make the filling
Mix the chopped tongue and ham in a bowl.
Stir in the melted butter, salad oil, mustard, and paprika until smooth.
Place the mixture in a saucepan over boiling water and cook until heated through.
Remove from heat and beat in the egg yolk.
Let the mixture cool completely.
Assemble
Spread the mixture between thin slices of bread.
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.
-
Butter + breadtop 7% of all pairsSmell alikemoderateCooked together27,232 recipes
Shared aroma: delta-decalactone (sweet, creamy).
-
Ham + breadtop 7% of all pairsSmell alikemoderateCooked together2,536 recipes
Shared aroma: 2-acetyl-1-pyrroline (popcorn, roasted).
-
Egg + breadtop 13% of all pairsSmell alikemoderateCooked together22,662 recipes
Shared aroma: (e)-2-octenal (fatty, green).
-
Ham + mustardtop 14% of all pairsSmell alikelowCooked together747 recipes
Shared aroma: 2-acetyl-1-pyrroline (popcorn, roasted).
-
Mustard + breadtop 16% of all pairsSmell alikemoderateCooked together1,484 recipes
Shared aroma: 2-acetyl-1-pyrroline (popcorn, roasted).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Tongue
- Forms the main meaty body of the filling.
- Boiled ham
- Adds savory flavor and extra body to the filling.
- Melted butter
- Adds richness and a smooth, spreadable texture.
- Egg yolk
- Acts as an emulsifier and thickens the filling as it heats.
The step that matters
Remove from heat and beat in the egg yolk. If the mixture is too hot, the egg yolk can scramble instead of blending smoothly. Removing it from the heat first lets the yolk thicken the filling gently.
Swap the mustard
How well each one fits the dish's main ingredients (ham, butter, egg, bread):
- Asparagusfits better
- Leekfits better
- Shallotfits about as well
- Mustardthe original
Fit is the average pairing score against ham, 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.
You might also like
The free Flavor Lab newsletter: one surprising pairing a week and the molecular reason it works, in 60 seconds. No spam, unsubscribe anytime.
Prefer an account? Create a free account to save pairings and unlock the full chemistry.
Brown Bread461 recipes
White Bread80 recipes
Bread Omelette60 recipes
Oatmeal Bread51 recipes