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Welsh Rarebit with Oysters

A creamy oyster-based cheese sauce served over crackers or toast.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 11 ingredients
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Why it works: Butter and cream are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 41,516 recipes. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓

Welsh Rarebit with Oysters

Ingredients

Directions

Prepare the oysters

  1. Parboil the oysters in their own liquor until the edges curl, then keep them hot in a covered dish.

Make the sauce

  1. Melt the butter in a pan, add the corn starch, and slowly pour in the cream while stirring.

  2. Once boiling, add the cheese and season with salt, mustard, and cayenne.

  3. As the cheese melts, stir in the beaten egg diluted with the oyster liquor and add the oysters.

Serve

  1. Serve immediately on crackers or toast.

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

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

  2. Butter + cheesetop 8% of all pairs
    Smell alikemoderate
    Cooked together7,962 recipes

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

  3. Cheese + mustardtop 11% of all pairs
    Smell alikemoderate
    Cooked together1,805 recipes

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

  4. Corn + mustardtop 12% of all pairs
    Smell alikemoderate
    Cooked together463 recipes

    Shared aroma: (e)-2-octenal (fatty, green).

  5. Oyster + buttertop 12% of all pairs
    Smell alikemoderate
    Cooked together8,184 recipes

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

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

What each ingredient does

Oysters
Main filling that gives the dish its briny flavor and tender bite.
Cheese
Melts into the sauce to provide richness, body and savory flavor.
Cream
Adds moisture and richness, giving the sauce a smooth, pourable texture.
Beaten egg
Thickens the sauce slightly as it heats and adds richness.
Corn starch
Thickens the cream into a smooth base that holds the cheese.
Butter
Adds fat and richness to the base mixture.

The step that matters

Adding the beaten egg. Egg proteins set when heated, so the egg mixture should be stirred in gently over low heat as the cheese melts. Overheating can cause it to scramble and turn grainy.

Swap the mustard

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

  1. Potatofits better
  2. Asparagusfits better
  3. Capsicumfits better
  4. Mustardthe original

Fit is the average pairing score against oyster, butter, corn, cream, cheese, egg. 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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