Why it works: Anchovy and sauce are a kitchen classic. They rank in the top 2% of all ingredient pairs, and cooks put them together in 2,057 recipes. Both carry ethanol, which smells alcoholic, ethereal. The science ↓
Savory Toast
Ingredients
Directions
Make the sauce
In a saucepan, melt the butter over low heat.
Add mustard, vinegar, anchovy sauce, pepper, cayenne, and cheese.
Stir until the cheese is fully melted and the mixture is smooth.
Serve
Spread the mixture on toasted bread and serve immediately.
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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Anchovy + saucetop 2% of all pairsSmell alikemoderateCooked together2,057 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Mustard + vinegartop 7% of all pairsSmell alikemoderateCooked together14,067 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Butter + cheesetop 8% of all pairsSmell alikemoderateCooked together7,962 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Mustard + walnuttop 9% of all pairsSmell alikestrongCooked together849 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
-
Mustard + peppertop 9% of all pairsSmell alikemoderateCooked together15,430 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Butter
- Melts to create a smooth, rich base that carries the other flavours.
- Cheese
- Melts into the sauce to give it body, richness and a savoury flavour.
- Vinegar
- Adds acidity that sharpens the flavour and balances the richness of the butter and cheese.
- Anchovy sauce
- Adds a deep, salty, savoury umami note to the mixture.
- Mustard
- Contributes sharpness and pungency that complements the cheese.
The step that matters
Stir until the cheese is fully melted and the mixture is smooth. Cheese proteins can tighten and turn grainy or oily if overheated or left unstirred, so low heat and constant stirring keep the sauce emulsified and smooth.
Swap the walnut
How well each one fits the dish's main ingredients (butter, mustard, vinegar, anchovy, sauce, pepper, cheese):
- Beansfits about as well
- Walnutthe original
- Sesamefits about as well
- Chestnutfits less well
Fit is the average pairing score against butter, mustard, vinegar, anchovy, sauce, pepper, cheese. 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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