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Fried Oysters and Onions

A dish of fried oysters served with sautéed onions on toast.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Pepper and onion are a kitchen classic. They rank in the top 11% of all ingredient pairs, and cooks put them together in 68,474 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Fried Oysters and Onions

Ingredients

Directions

Prepare

  1. Heat the frying kettle half full of fat over the fire.

  2. Melt the butter in a large frying pan.

  3. Add a dust of cayenne to the melted butter.

  4. Fry the sliced onions in the hot fat until golden.

  5. Drain the fried onions in a colander.

  6. Carefully remove any shell bits from the oysters.

  7. Add the oysters to the frying pan with the browned butter.

Serve

  1. Make some toast and place it on a hot platter.

  2. Arrange the fried onions around the toast.

  3. Pour the oysters over the toast.

  4. Serve immediately.

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. Pepper + oniontop 11% of all pairs
    Smell alikemoderate
    Cooked together68,474 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  2. Butter + oystertop 12% of all pairs
    Smell alikemoderate
    Cooked together8,184 recipes

    Shared aroma: 2,6-nonadienal (cucumber, green).

  3. Butter + oniontop 15% of all pairs
    Smell alikemoderate
    Cooked together42,912 recipes

    Shared aroma: decanal (soap, orange peel).

  4. Onion + oystertop 20% of all pairs
    Smell alikemoderate
    Cooked together1,920 recipes

    Shared aroma: 2,4-decadienal (seaweed).

  5. Butter + peppertop 21% of all pairs
    Smell alikemoderate
    Cooked together85,593 recipes

    Shared aroma: trans-2-nonenal (cardboard, fatty).

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

What each ingredient does

Oysters
Provide the main flavor and tender, briny filling for the dish.
White onions
Add sweetness and savory depth as they brown in the hot fat.
Butter
Adds richness and browns in the pan, giving the sauce a nutty aroma.
Cayenne pepper
Adds gentle heat that lifts the flavor of the butter.

The step that matters

Add the oysters to the frying pan with the browned butter.. Oysters cook very quickly and turn tough and rubbery if overcooked. Add them at the end and cook only until their edges curl, so they stay tender.

Swap the onion

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

  1. Capsicumfits better
  2. Potatofits better
  3. Shallotfits about as well
  4. Onionthe original

Fit is the average pairing score against butter, pepper, oyster. 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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