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Dessert

Potato Custard Pie

A baked pie made with mashed potatoes, butter, eggs, sweet milk, sugar, nutmeg, and cinnamon.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Nutmeg and cinnamon match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 11,917 recipes. Both carry estragole, which smells anise, licorice. The science ↓

Potato Custard Pie

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. The book gives no cooking times either; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.

Prepare

  1. Preheat the oven to 350°F (175°C).

Make the custard

  1. In a large bowl, combine the mashed potatoes and butter.

  2. Add the beaten eggs, sweet milk, and sugar; mix well.

  3. Flavor the mixture with nutmeg and cinnamon.

Bake

  1. Pour the mixture into a pie crust and bake until set, about 45 minutes.

Recipe from a historical cookbook (Internet Archive).

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.

  1. Nutmeg + cinnamontop 1% of all pairs
    Smell alikestrong
    Cooked together11,917 recipes

    Shared aroma: estragole (anise, licorice).

  2. Butter + milktop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

  3. Potato + nutmegtop 8% of all pairs
    Smell alikemoderate
    Cooked together1,052 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

  4. Potato + milktop 9% of all pairs
    Smell alikemoderate
    Cooked together3,611 recipes

    Shared aroma: (e,z)-2,6-nonadienal (cucumber, melon).

  5. Milk + cinnamontop 10% of all pairs
    Smell alikemoderate
    Cooked together12,655 recipes

    Shared aroma: cuminaldehyde (Spicy, cumin).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Potatoes
Provide starchy body that thickens the filling and gives it a smooth, dense texture.
Butter
Adds richness and fat, contributing flavor and a tender mouthfeel to the custard.
Eggs
Set during baking to bind the filling into a sliceable custard.
Sweet milk
Supplies liquid that, with the eggs, forms the custard and keeps it moist.
Sugar
Adds sweetness and helps soften the set custard texture.

The step that matters

Pour the mixture into a pie crust and bake until set. Eggs set through gentle, steady heat. Overbaking at high heat can curdle and weep the custard, leaving it grainy and watery, so check for a set center rather than relying only on the clock.

Swap the potato

How well each one fits the dish's main ingredients (butter, egg, milk, sugar, nutmeg, cinnamon):

  1. Sweet potatofits better
  2. Capsicumfits about as well
  3. Arrowrootfits about as well
  4. Potatothe original

Fit is the average pairing score against butter, egg, milk, sugar, nutmeg, cinnamon. 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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