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 ↓
Sliced Beef, or Other Meat
Ingredients
Directions
Make the sauce
Melt the butter in a saucepan and stir in the flour until smooth.
Gradually add the boiling stock, stirring over heat until thick.
Stir in the mustard, catsup, and pepper, and heat thoroughly without boiling.
Serve
Add the slices of meat to the sauce and heat until hot.
Serve neatly garnished with pickles and croutons.
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).
-
Mustard + peppertop 9% of all pairsSmell alikemoderateCooked together15,430 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Pepper + beeftop 10% of all pairsSmell alikemoderateCooked together18,971 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Beef + breadtop 13% of all pairsSmell alikemoderateCooked together4,032 recipes
Shared aroma: 2-acetyl-1-pyrroline (popcorn, roasted).
Butter and flour barely smell alike, yet cooks put them together in 124,287 recipes: they work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Butter
- Enriches the sauce and carries flavor while forming the base roux.
- Flour
- Thickens the sauce as it cooks with the melted butter into a smooth paste.
- Boiling stock
- Forms the liquid body of the sauce, which thickens as it heats.
- Made mustard
- Adds sharp, pungent flavor that cuts through the richness of the meat and sauce.
- Slices of beef, mutton, or any brown meat
- Supplies the main protein, which is gently warmed through in the sauce.
The step that matters
Heat the mustard sauce without boiling. Boiling after the mustard and catsup are added can dull the sharp mustard flavor and may cause the sauce to break or turn grainy. Holding it just below a boil keeps the flavor bright and the texture smooth.
Swap the mustard
How well each one fits the dish's main ingredients (butter, flour, pepper, beef, bread):
- Shallotfits better
- Potatofits better
- Leekfits better
- Mustardthe original
Fit is the average pairing score against butter, flour, pepper, beef, 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
Roast Beef211 recipes
Beef Loaf175 recipes
Corned Beef87 recipes