Why it works: Watercress and lettuce match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 307 recipes. Both carry coumarin, which smells sweet, hay. The science ↓
Anchovies on Toast with Cheese
Ingredients
Directions
Prepare the filling
Bone, scale, and clean the anchovies without washing them.
Chop the anchovies finely with watercress, mustard cress, lettuce, egg yolks, and cheese.
Season the mixture with cayenne, salt, and mace.
Assemble the toasts
Toast the bread slices and butter them while hot.
Let the buttered toast cool completely, then spread the anchovy mixture between two pieces like a sandwich.
Optionally, add finely chopped olives to the mixture for extra flavor.
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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Watercress + lettucetop 1% of all pairsSmell alikestrongCooked together307 recipes
Shared aroma: coumarin (sweet, hay).
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Mustard + lettucetop 1% of all pairsSmell alikestrongCooked together1,356 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Watercress + mustardtop 1% of all pairsSmell alikestrongCooked together293 recipes
Shared aroma: coumarin (sweet, hay).
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Mustard + peppertop 9% of all pairsSmell alikemoderateCooked together15,430 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Lettuce + peppertop 9% of all pairsSmell alikemoderateCooked together4,037 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
- Anchovies
- Provide the salty, savoury umami base that gives the spread its main flavour.
- Egg yolks
- Enrich the mixture and help bind the chopped ingredients into a spreadable paste.
- Stilton or parmesan cheese
- Adds salty, savoury depth and helps the filling hold together.
- Bread
- Forms a crisp, sturdy base that holds the filling in place.
- Butter
- Adds richness and a fatty layer that flavours the toast and separates it from the filling.
The step that matters
Let the buttered toast cool completely. Hot toast melts the butter and softens the bread, and warm filling wilts the greens, so the sandwich turns soggy and greasy. Cooling lets the butter set and the toast firm up before the spread goes on.
Swap the mace
How well each one fits the dish's main ingredients (watercress, mustard, lettuce, egg, parmesan cheese, pepper, bread):
- Capersfits better
- Tarragonfits better
- Parsleyfits better
- Macethe original
Fit is the average pairing score against watercress, mustard, lettuce, egg, parmesan cheese, pepper, 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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