Why it works: Raisin and flour 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 ↓
Raisin Pie
Ingredients
Directions
The book says “a hot oven”. The 400°F in the steps is the modern equivalent, not the book's own figure.
Prepare the filling
Wash raisins and place them in a saucepan with cold water and sugar.
Cover and bring to a boil, then simmer for 15-20 minutes.
Make a smooth paste with flour and cold water.
Add enough paste to thicken the mixture while stirring constantly to avoid lumps.
Stir in the butter and lemon extract.
Let the mixture cool.
Assemble and bake
Pour the cooled mixture between two pie crusts.
Bake in a hot oven (400°F / 200°C) until the crust is light brown.
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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Raisin + flourtop 1% of all pairsSmell alikestrongCooked together9,075 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Raisin + sugartop 13% of all pairsSmell alikemoderateCooked together12,481 recipes
Shared aroma: beta-damascenone (apple, rose).
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Raisin + lemontop 14% of all pairsSmell alikemoderateCooked together3,742 recipes
Shared aroma: decanal (soap, orange peel).
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Sugar + flourtop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
Flour and butter 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
- Raisins
- Provide the main body and sweetness of the filling as they soften and release their sugars.
- Flour
- Thickens the cooking liquid into a filling that holds its shape when sliced.
- Sugar
- Sweetens the filling and helps give it a glossy, thick texture as it cooks.
- Butter
- Adds richness and a smoother mouthfeel to the cooked filling.
- Pie crusts
- Form the enclosing base and top that hold the filling and brown in the oven.
The step that matters
Adding the flour paste while stirring. Flour thickens only when it is dispersed in liquid, so adding it to hot liquid without constant stirring causes lumps. Mixing the paste smooth first and stirring as it goes gives an even, thick filling.
Swap the lemon
How well each one fits the dish's main ingredients (raisin, sugar, flour, butter):
- Vanillafits better
- Figfits better
- Coconutfits about as well
- Lemonthe original
Fit is the average pairing score against raisin, sugar, flour, butter. 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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