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 ↓
Lettuce, Braised Plainly
Ingredients
Directions
Prepare
Reserve the hearts of the lettuces for salads and divide the rest into leaves.
Braise
Pack the leaves closely in a saucepan with 1 tablespoon of butter at the bottom and 1 tablespoon on top.
Pour ¼ cup of water over the leaves, add 1 teaspoon of sugar and ¼ teaspoon of salt.
Cook for at least 40 minutes until done.
Press the lettuces to let the liquid run into the pan.
Chop them up.
Finish the sauce
Add 1 tablespoon of flour to the liquid in the pan and stir.
Season with salt, pepper, and lemon juice to taste.
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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Lettuce + peppertop 9% of all pairsSmell alikemoderateCooked together4,037 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Lettuce + lemontop 9% of all pairsSmell alikestrongCooked together1,559 recipes
Shared aroma: trans-2-hexenal (green, leafy).
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Lettuce + flourtop 11% of all pairsSmell alikestrongCooked together1,236 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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
- Lettuces
- Form the bulk of the dish, softening as they braise into a tender mass.
- Butter
- Adds richness and fat, carrying flavour through the leaves as they cook.
- Sugar
- Adds a touch of sweetness that balances the lettuce's natural bitterness.
- Flour
- Thickens the cooking liquid into a light sauce.
The step that matters
Cooking the lettuce until done. Lettuce needs a long, gentle braise to turn soft and tender; stopping early leaves it tough and watery, so the full 40 minutes or more matters.
Swap the lettuce
How well each one fits the dish's main ingredients (butter, sugar, pepper, lemon, flour):
- Arrowrootfits better
- Shallotfits better
- Okrafits better
- Lettucethe original
Fit is the average pairing score against butter, sugar, pepper, lemon, flour. 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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