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Boiled Sea Kale

A simple boiled sea kale dish seasoned with salt, butter, and optional vinegar or lemon juice.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Kale and vinegar work together. They rank in the top 16% of all ingredient pairs, and cooks put them together in 150 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Boiled Sea Kale

Ingredients

Directions

Prepare

  1. Carefully inspect the sea kale, removing any wilted or imperfect leaves.

  2. Wash the kale thoroughly in at least two changes of water.

Cook and serve

  1. Tie the kale in bunches and place it in boiling salted water.

  2. Boil quickly until tender, then drain and untie the bunches.

  3. Serve with melted butter, adding a little vinegar or lemon juice if desired.

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. Kale + vinegartop 16% of all pairs
    Smell alikemoderate
    Cooked together150 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Butter + vinegartop 23% of all pairs
    Smell alikemoderate
    Cooked together13,513 recipes

    Shared aroma: isoamyl acetate (banana, pear).

  3. Kale + buttertop 27% of all pairs
    Smell alikemoderate
    Cooked together247 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

What each ingredient does

Sea kale
Is the vegetable being cooked, so its leaves become tender and edible when boiled.
Melted butter
Adds richness and fat that coats the cooked leaves and carries flavour.

The step that matters

Boil quickly until tender. Sea kale can turn limp, grey and watery if overcooked. A brief, vigorous boil in well-salted water cooks it through while keeping its colour and firm texture.

Swap the kale

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

  1. Mustardfits better
  2. Shallotfits better
  3. Onionfits better
  4. Kalethe original

Fit is the average pairing score against butter, vinegar. 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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