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Welsh Rabbit

A sandwich of toasted bread topped with cheese, mustard, pepper, and salt.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Bread and cheese are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 2,130 recipes. Both carry delta-decalactone, which smells sweet, creamy. The science ↓

Welsh Rabbit

Ingredients

Directions

Prepare

  1. Toast the bread slightly on both sides until just browned.

  2. Cut the cheese to fit the bread, removing the rind and any specks.

Melt and serve

  1. Place the cheese on the toasted bread in a cheese toaster.

  2. Watch carefully to prevent burning and stir to avoid a pellicle forming.

  3. Serve with mustard, pepper, and salt.

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. Bread + cheesetop 7% of all pairs
    Smell alikemoderate
    Cooked together2,130 recipes

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

  2. Mustard + peppertop 9% of all pairs
    Smell alikemoderate
    Cooked together15,430 recipes

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

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

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

  4. Bread + mustardtop 16% of all pairs
    Smell alikemoderate
    Cooked together1,484 recipes

    Shared aroma: 2-acetyl-1-pyrroline (popcorn, roasted).

  5. Bread + peppertop 16% of all pairs
    Smell alikemoderate
    Cooked together20,964 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

Cheese
Melts into a smooth, rich layer and supplies most of the flavour and fat.
Bread
Toasted base that holds the melted cheese and adds a crisp, nutty edge.

The step that matters

Watch the cheese while it melts. Too much heat scorches the milk proteins and browns the surface quickly, and a skin (pellicle) forms as the cheese dries. Stirring keeps the melt smooth and evenly warm.

Swap the mustard

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

  1. Capsicumfits better
  2. Tomatofits better
  3. Mustardthe original
  4. Spinachfits about as well

Fit is the average pairing score against bread, cheese, 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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