Why it works: Pepper and lemon match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 27,047 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓
Spinach Boiled Plain
Ingredients
Directions
Prepare the spinach
Wash the spinach and remove the leaves from the stems.
Place the spinach in a saucepan without shaking off the water.
Cook
Set the saucepan in a pot of boiling water, cover, and cook for 15 minutes.
Stir well from the bottom, then add 1 tablespoon of hot water mixed with ½ teaspoon baking soda.
Cover the pot and cook for an additional 10 minutes.
Drain and season
Drain the spinach in a colander without pressing it initially.
Season with salt, pepper, butter, a little sugar, and ½ teaspoon lemon juice.
Gently press out the remaining juice without bruising the spinach.
Serve
Serve on a heated platter and top 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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Pepper + lemontop 3% of all pairsSmell alikestrongCooked together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Spinach + lemontop 6% of all pairsSmell alikestrongCooked together1,109 recipes
Shared aroma: 1-octen-3-ol (mushroom, earthy).
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Spinach + peppertop 6% of all pairsSmell alikemoderateCooked together3,400 recipes
Shared aroma: nonanal (fat, citrus).
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Butter + lemontop 16% of all pairsSmell alikemoderateCooked together41,227 recipes
Shared aroma: 3-hexenal (apple, fruity).
-
Butter + eggtop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Spinach
- Forms the main bulk of the dish and is cooked down to a tender, soft texture.
- Baking soda
- Raises the pH of the cooking water, helping the spinach keep a bright green color.
- Lemon juice
- Adds acidity that brightens the flavor and balances the richness of the butter.
- Butter
- Adds fat for richer flavor and a smoother mouthfeel.
The step that matters
Gently press out the remaining juice without bruising the spinach. Spinach is delicate and holds water in its leaves; pressing too hard tears cell walls and turns the texture mushy, while gentle pressing leaves it tender and whole.
Swap the spinach
How well each one fits the dish's main ingredients (pepper, butter, sugar, lemon, egg):
- Capsicumfits better
- Asparagusfits about as well
- Spinachthe original
- Shallotfits about as well
Fit is the average pairing score against pepper, butter, sugar, lemon, egg. 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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