Why it works: Lentils and flour match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and cooks put them together in 255 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Lentils Boiled Plain
Ingredients
Directions
Cook the lentils
Bring 2 quarts of water to a boil.
Add 1½ cups of lentils and boil for 1½ hours.
Before finishing, stir in salt and pepper to taste.
Finish
Mix 1½ tablespoons of butter with 2 tablespoons of flour and add to the lentils.
Finally, stir in ½ cup of sweet cream.
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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Lentils + flourtop 5% of all pairsSmell alikestrongCooked together255 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Butter + creamtop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
-
Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Lentils + peppertop 13% of all pairsSmell alikemoderateCooked together812 recipes
Shared aroma: coumarin (sweet, hay).
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Flour + peppertop 19% of all pairsSmell alikemoderateCooked together50,459 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
- Lentils
- Form the body of the dish, softening as they boil into a tender base.
- Butter
- Adds richness and fat, carrying flavour through the lentils.
- Flour
- Mixed with butter to thicken the cooking liquid slightly.
- Sweet cream
- Adds moisture, richness and a smooth, creamy texture at the end.
The step that matters
Adding the butter and flour mixture. Flour mixed with fat and stirred into hot liquid thickens it smoothly; adding it lumpy or without enough stirring can leave clumps of raw flour.
Swap the lentils
How well each one fits the dish's main ingredients (butter, flour, cream, pepper):
- Almondfits better
- Pistachiofits better
- Chestnutfits better
- Lentilsthe original
Fit is the average pairing score against butter, flour, cream, pepper. 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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