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Sweet Potato Croquettes

Sweet potato croquettes are fried rolls made from mashed sweet potatoes, butter, milk, egg yolks, and breadcrumbs.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 ingredients
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Sweet Potato Croquettes

Why it works: Butter and milk 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 Croquettes

Ingredients

Directions

Make the mixture

  1. In a bowl, combine the mashed sweet potatoes, butter, milk, egg yolks, salt, and pepper.

  2. Mix well and heat the mixture in a saucepan over medium heat, stirring until it pulls away from the sides of the pan.

  3. Allow the mixture to cool, then form it into rolls.

Coat and fry

  1. Dip each roll in breadcrumbs, then in beaten egg, and again in breadcrumbs.

  2. Fry in deep oil until golden brown.

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.

Photo for illustrative purposes only · Contact us to use it

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

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

  2. Sweet potato + peppertop 11% of all pairs
    Smell alikemoderate
    Cooked together1,015 recipes

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

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

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

  4. Butter + eggtop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 recipes

    Shared aroma: decanal (soap, orange peel).

  5. Milk + eggtop 18% of all pairs
    Smell alikemoderate
    Cooked together88,785 recipes

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

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

What each ingredient does

Sweet potatoes
Provide the bulk and starchy body that holds the croquette shape.
Egg yolks
Bind the mashed mixture and add richness to help it hold together.
Butter
Adds fat for smoothness and a richer flavor in the filling.
Milk
Adds moisture so the mash is soft and easy to shape.
Breadcrumbs
Form a crisp, golden outer crust when fried.

The step that matters

Heating the mixture until it pulls away from the pan. Cooking the mash briefly drives off excess moisture so it firms up. If it stays wet, the rolls will be soft and may fall apart in the oil.

Swap the sweet potato

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

  1. Capsicumfits better
  2. Potatofits better
  3. Asparagusfits better
  4. Sweet potatothe original

Fit is the average pairing score against butter, milk, egg, pepper. 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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