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Sea-kale

Boiled sea kale with butter, pepper, salt, lemon, served on buttered toast.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Pepper and lemon match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 27,047 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓

Sea-kale

Ingredients

Directions

Cook the kale

  1. Boil the sea kale in salted water for 15 minutes.

  2. Drain well and return to the heat.

Season and serve

  1. Add butter, pepper, salt, and lemon juice.

  2. Stir or toss for 5 minutes.

  3. Serve on rounds of buttered toast in a hot dish.

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. Pepper + lemontop 3% of all pairs
    Smell alikestrong
    Cooked together27,047 recipes

    Shared aroma: trans-2-nonenal (cardboard, fatty).

  2. Kale + lemontop 4% of all pairs
    Smell alikestrong
    Cooked together226 recipes

    Shared aroma: coumarin (sweet, hay).

  3. Kale + peppertop 10% of all pairs
    Smell alikemoderate
    Cooked together492 recipes

    Shared aroma: coumarin (sweet, hay).

  4. Butter + lemontop 16% of all pairs
    Smell alikemoderate
    Cooked together41,227 recipes

    Shared aroma: 3-hexenal (apple, fruity).

  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

Sea kale
The main vegetable, cooked until tender and forming the bulk of the dish.
Butter
Adds fat and richness, coating the kale and carrying its flavor.
Lemon juice
Adds acidity that brightens the flavor and balances the richness of the butter.

The step that matters

Drain the kale well before adding butter. Leftover cooking water dilutes the butter and dampens the kale, so the seasoning spreads unevenly and the dish turns watery instead of glossy.

Swap the kale

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

  1. Capsicumfits better
  2. Spinachfits better
  3. Asparagusfits better
  4. Kalethe original

Fit is the average pairing score against butter, pepper, lemon. 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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