Why it works: Spinach and pepper are a kitchen classic. They rank in the top 6% of all ingredient pairs, and cooks put them together in 3,400 recipes. Both carry nonanal, which smells fat, citrus. The science ↓
Spinach on Toast
Ingredients
Directions
Wash the spinach thoroughly to remove all grit, then soak it in cold water for a while.
Boil the spinach in salted water for 20 to 30 minutes.
Drain the spinach and cut it into coarse pieces.
Place the spinach in a hot dish, sprinkle with pepper and coarse sea salt, and pour melted butter over it.
Butter small pieces of toasted bread and arrange them on a hot platter.
Top the toasted bread with portions of spinach and garnish with slices of hard boiled egg.
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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Spinach + peppertop 6% of all pairsSmell alikemoderateCooked together3,400 recipes
Shared aroma: nonanal (fat, citrus).
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Butter + breadtop 7% of all pairsSmell alikemoderateCooked together27,232 recipes
Shared aroma: delta-decalactone (sweet, creamy).
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Bread + eggtop 13% of all pairsSmell alikemoderateCooked together22,662 recipes
Shared aroma: (e)-2-octenal (fatty, green).
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Spinach + breadtop 15% of all pairsSmell alikemoderateCooked together466 recipes
Shared aroma: 2-undecenal (sweet).
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Pepper + breadtop 16% of all pairsSmell alikemoderateCooked together20,964 recipes
Shared aroma: 2-nonenal (fatty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
Swap the spinach
How well each one fits the dish's main ingredients (pepper, butter, bread, egg):
- Capsicumfits better
- Asparagusfits better
- Chivefits about as well
- Spinachthe original
Fit is the average pairing score against pepper, butter, bread, egg. Candidates are from the same food group and used in at least 100 recipes.
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