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Cheese, Toasted, or Scotch Rare-bit

A toasted cheese sandwich flavored with mustard and pepper, optionally served with porter or butter.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Cheese and butter are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 7,962 recipes. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓

Cheese, Toasted, or Scotch Rare-bit

Ingredients

Directions

Prepare the cheese

  1. Cut the cheese into thin slices.

Melt and season

  1. Melt the cheese in a cheese toaster on a hot plate or over steam.

  2. Once melted, add the mixed mustard and pepper, stirring until completely dissolved.

Brown and serve

  1. Brown the cheese before the fire or with a salamander.

  2. Serve with dry or buttered 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. Cheese + buttertop 8% of all pairs
    Smell alikemoderate
    Cooked together7,962 recipes

    Shared aroma: delta-dodecalactone (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. Port wine + buttertop 13% of all pairs
    Smell alikemoderate
    Cooked together1,499 recipes

    Shared aroma: ethyl octanoate (fruity, wine).

  5. Cheese + port winetop 15% of all pairs
    Smell alikemoderate
    Cooked together33 recipes

    Shared aroma: sotolon (curry, maple).

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 sauce that coats the toast.
Mixed mustard
Adds sharpness that balances the richness of the melted cheese.
Toast
Provides a crisp base to hold the melted cheese.

The step that matters

Melt the cheese gently. Cheese turns stringy or greasy when overheated, because its proteins tighten and its fat separates. Melting slowly over steam or low heat keeps it smooth and cohesive.

Swap the mustard

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

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

Fit is the average pairing score against cheese, pepper, port wine, butter. 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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