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Boiled Baked Sweet Potatoes

A dish of boiled sweet potatoes layered with sugar and butter, then baked until golden.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 3 ingredients
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Why it works: Sweet potato and sugar are a kitchen classic. They rank in the top 17% of all ingredient pairs, and cooks put them together in 1,151 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓

Boiled Baked Sweet Potatoes

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

  1. Boil the sweet potatoes until tender.

  2. Slice the potatoes lengthwise several times.

Layer and bake

  1. Place a layer of sliced potatoes in an earthen dish.

  2. Sprinkle lightly with sugar and heavily with butter.

  3. Repeat layering until the dish is full, finishing with butter and sugar on top.

  4. Bake at 350°F (175°C) for 30 to 40 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. Sweet potato + sugartop 17% of all pairs
    Smell alikemoderate
    Cooked together1,151 recipes

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

  2. Sugar + buttertop 17% of all pairs
    Smell alikemoderate
    Cooked together98,233 recipes

    Shared aroma: guaiacol (smoky, sweet).

  3. 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

Sweet potatoes
Form the bulk of the dish, becoming soft and tender as they cook.
Sugar
Adds sweetness and helps the top brown as it bakes.
Butter
Adds richness and moisture, coating the potato layers as they bake.

The step that matters

Boil the sweet potatoes until tender. Potatoes that are not fully cooked before layering stay firm and starchy, since the oven time is only meant to heat and combine them. Testing for tenderness with a knife before slicing helps ensure even softness throughout.

Swap the sweet potato

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

  1. Sweet potatothe original
  2. Leekfits about as well
  3. Potatofits about as well
  4. Capsicumfits less well

Fit is the average pairing score against sugar, 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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