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Sweet Potato Puff

A baked sweet potato dish folded with beaten egg whites and seasoned with salt and paprika.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Milk and butter are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓

Sweet Potato Puff

Ingredients

Directions

Prepare the batter

  1. Mash the sweet potatoes in a bowl.

  2. Stir in the egg yolks, milk, melted butter, salt, and paprika.

  3. In a separate bowl, beat the egg whites until stiff peaks form.

  4. Gently fold the beaten egg whites into the sweet potato mixture.

Bake

  1. Transfer the mixture to a baking dish.

  2. Bake until set.

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. Milk + buttertop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

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

  2. Sweet potato + milktop 15% of all pairs
    Smell alikemoderate
    Cooked together596 recipes

    Shared aroma: 4-heptenal (creamy, biscuit).

  3. Egg + buttertop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 recipes

    Shared aroma: decanal (soap, orange peel).

  4. Egg + milktop 18% of all pairs
    Smell alikemoderate
    Cooked together88,785 recipes

    Shared aroma: 2-nonenal (fatty, green).

  5. Sweet potato + buttertop 20% of all pairs
    Smell alikemoderate
    Cooked together1,491 recipes

    Shared aroma: 2,3-pentanedione (butter, sweet).

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

What each ingredient does

Eggs
Yolks enrich the batter, and whipped whites trap air so the puff rises and holds its lift.
Sweet potatoes
Provide the bulk and moisture of the puff, giving it a soft, tender body.
Rich milk
Adds moisture and richness, helping the mixture stay soft and custardy as it sets.
Melted butter
Adds fat for richness and a tender crumb.

The step that matters

Folding in the egg whites. Whites hold air only when whipped to stiff peaks. Folding gently keeps that air in the batter; stirring vigorously knocks it out, so the puff bakes flat and dense instead of light.

Swap the sweet potato

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

  1. Potatofits better
  2. Asparagusfits better
  3. Chivefits about as well
  4. Sweet potatothe original

Fit is the average pairing score against egg, milk, 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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