Why it works: Flour and raisin match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 9,075 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Lemon Pie with Two Crusts
Ingredients
Directions
Make the filling
In a bowl, combine the lemon juice and rind, sugar, butter, egg, flour, and chopped raisins.
Beat the mixture thoroughly.
Pour in the boiling water just before placing it in the crust.
Bake
Bake immediately.
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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Flour + raisintop 1% of all pairsSmell alikestrongCooked together9,075 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Lemon + walnuttop 10% of all pairsSmell alikestrongCooked together2,149 recipes
Shared aroma: 2-nonenal (fatty, green).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Walnut + flourtop 12% of all pairsSmell alikemoderateCooked together5,873 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Walnut + raisintop 13% of all pairsSmell alikemoderateCooked together647 recipes
Shared aroma: 1-octen-3-ol (mushroom, earthy).
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
- Egg
- Binds the filling and helps it set into a custard-like texture when baked.
- Flour
- Thickens the filling so it holds its body rather than running loose.
- Sugar
- Sweetens the filling and balances the sharpness of the lemon.
- Lemon juice and rind
- Provides acidity and aroma that give the filling its bright flavour.
- Butter
- Adds richness and fat, contributing to a smoother texture.
The step that matters
Pour in the boiling water just before placing it in the crust. The boiling water begins to thin and dissolve the starch and sugar, so the filling must go into the crust and into the oven right away. Waiting lets the mixture thicken unevenly before baking.
Swap the lemon
How well each one fits the dish's main ingredients (sugar, walnut, butter, egg, flour, raisin):
- Vanillafits better
- Figfits better
- Coconutfits about as well
- Lemonthe original
Fit is the average pairing score against sugar, walnut, butter, egg, flour, raisin. 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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