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Bubble and Squeak

A fried dish of chopped leftover vegetables, usually cabbage and potatoes, seasoned with salt and pepper.

From an old cookbook · modernised transcription
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Why it works: Cabbage and pepper are a kitchen classic. They rank in the top 5% of all ingredient pairs, and cooks put them together in 4,081 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Bubble and Squeak

Ingredients

Directions

Prepare

  1. Chop the cold cooked vegetables into small pieces.

  2. Heat butter or oil in a frying pan over medium heat.

Fry and serve

  1. Add the chopped vegetables to the pan and press down with a spatula.

  2. Cook until the bottom is browned, then flip and brown the other side.

  3. Season with salt and pepper before serving.

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. Cabbage + peppertop 5% of all pairs
    Smell alikemoderate
    Cooked together4,081 recipes

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

  2. Cabbage + potatotop 9% of all pairs
    Smell alikemoderate
    Cooked together275 recipes

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

  3. Potato + peppertop 9% of all pairs
    Smell alikemoderate
    Cooked together8,305 recipes

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

  4. Potato + buttertop 13% of all pairs
    Smell alikemoderate
    Cooked together6,456 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

  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

Cold cooked potatoes and cabbage
Form the bulk of the dish; their starch helps the pressed mixture hold together and brown.
Butter or oil
Conducts heat to the pan surface and browns the vegetables, adding richness.

The step that matters

Pressing and leaving the vegetables to brown. Pressing the mixture into an even layer gives full contact with the hot pan, and leaving it undisturbed lets a deep brown crust form before flipping. Moving it too early prevents browning and the cakes fall apart.

Flavor stand-ins for the cabbage

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

  1. Capsicumbetter flavor fit
  2. Chivebetter flavor fit
  3. Onionbetter flavor fit
  4. Cabbagethe original

Fit is the average pairing score against potato, butter, pepper. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).

“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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