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Sweet Potato and Chestnut Croquettes

A fried croquette made from sweet potato, chestnut powder, butter, eggs, and cream.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Chestnut and sweet potato share more aroma than cooks usually use. They rank in the top 2% of all ingredient pairs, and cooks put them together in 15 recipes. Both carry decanal, which smells soap, orange peel. The science ↓

Sweet Potato and Chestnut Croquettes

Ingredients

Directions

Prepare

  1. Pound the chestnuts into a powder.

Make the croquettes

  1. Mix the chestnut powder with the sweet potatoes, butter, eggs, and cream.

  2. Season the mixture to taste.

  3. Shape into croquettes.

Fry

  1. Fry in deep fat 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.

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. Chestnut + sweet potatotop 2% of all pairs
    Smell alikestrong
    Cooked together15 recipes

    Shared aroma: decanal (soap, orange peel).

  2. Butter + creamtop 8% of all pairs
    Smell alikemoderate
    Cooked together41,516 recipes

    Shared aroma: delta-dodecalactone (sweet, creamy).

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

    Shared aroma: decanal (soap, orange peel).

  4. Chestnut + creamtop 19% of all pairs
    Smell alikemoderate
    Cooked together643 recipes

    Shared aroma: octanal (fat, soap).

  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

Sweet potatoes
Provide the bulk and starchy body that holds the croquette together.
Chestnuts
Add dense, mealy starch and a subtly sweet, nutty flavour.
Eggs
Bind the mixture and help it set firm when cooked.
Butter
Adds richness and fat for a tender interior and flavour.
Cream
Adds moisture and softness to the mixture.

The step that matters

Fry in deep fat until golden brown. The croquettes are already cooked through, so frying mainly browns the outside. Too low a fat temperature lets them absorb oil and turn greasy, while too high browns the surface before the centre heats through.

Swap the sweet potato

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

  1. Chivefits better
  2. Shallotfits better
  3. Spinachfits about as well
  4. Sweet potatothe original

Fit is the average pairing score against chestnut, butter, egg, cream. 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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