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 with One Crust
Ingredients
Directions
The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.
Prepare
Boil the sweet potatoes until tender.
Line a pie dish with pie crust.
Slice the potatoes and cover the bottom of the crust.
Assemble and fill
Sprinkle with sugar, a light dusting of flour, and a pinch of coarse sea salt.
Add another layer of sliced potatoes with bits of butter on top.
Fill the dish with milk and flavor with nutmeg.
Bake
Bake in a 350°F (175°C) oven until set.
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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Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Flour + nutmegtop 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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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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
- Sweet potatoes
- Form the main body of the filling, giving a soft, dense texture once cooked.
- Sugar
- Adds sweetness and helps balance the earthy flavor of the potatoes.
- Flour
- Starch that thickens the milk as it heats, helping the filling set rather than run.
- Milk
- Provides the liquid that surrounds the potatoes and sets into a creamy custard as it bakes.
- Butter
- Adds fat for richness and a smoother mouthfeel in the filling.
- Nutmeg
- Contributes warm aroma and flavor that complements the sweet potatoes and milk.
The step that matters
Bake until set. Flour and potato starch thicken as they heat, and the milk proteins firm as it cooks. Pulling the pie too early leaves a runny centre, so bake until the filling no longer sloshes when the dish is gently moved.
Swap the sweet potato
How well each one fits the dish's main ingredients (sugar, flour, milk, nutmeg, butter):
- Arrowrootfits about as well
- Sweet potatothe original
- Parsnipfits about as well
- Shallotfits less well
Fit is the average pairing score against sugar, flour, milk, nutmeg, 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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