Why it works: Sweet potato and nutmeg match in chemistry and in kitchens. They rank in the top 4% of all ingredient pairs, and cooks put them together in 414 recipes. Both carry linalool, which smells floral, citrus. The science ↓
Sweet Potato Pie
Ingredients
Directions
Prepare the filling
Boil or stew the sweet potatoes until tender.
Slice the potatoes and layer them in the bottom of a pie crust.
Assemble and bake
Sprinkle with sugar, jelly, butter, nutmeg, and flour mixed with water.
Cover with an upper crust and bake.
For a one-crust version, line a pie dish with crust, layer sliced potatoes, sprinkle with sugar, flour, and salt, dot with butter, fill with milk, flavor with nutmeg, and bake.
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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Sweet potato + nutmegtop 4% of all pairsSmell alikestrongCooked together414 recipes
Shared aroma: linalool (floral, citrus).
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Butter + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Nutmeg + flourtop 8% of all pairsSmell alikemoderateCooked together18,623 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Sweet potato + flourtop 9% of all pairsSmell alikemoderateCooked together627 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
- Sweet potatoes
- Form the bulk of the filling, giving a soft, starchy, sweet body when cooked.
- Sugar
- Adds sweetness and helps the filling brown lightly as it bakes.
- Butter
- Adds richness and fat, carrying flavor and a silky mouthfeel.
- Flour
- Thickens the juices so the filling sets rather than running out.
- Milk
- In the one-crust version, forms a custard-like liquid that sets as it bakes.
The step that matters
Thickening with flour mixed in water. Flour must be fully mixed into the water before adding, otherwise it clumps and leaves pockets of raw starch. Starch thickens the juices only when heated, so the filling needs enough bake time to set rather than stay runny.
Swap the sweet potato
How well each one fits the dish's main ingredients (sugar, butter, nutmeg, flour, milk):
- Arrowrootfits about as well
- Sweet potatothe original
- Parsnipfits about as well
- Shallotfits less well
Fit is the average pairing score against sugar, butter, nutmeg, flour, milk. 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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