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To Pickle Lemons, and Limes

A pickled citrus preserve made with lemons, limes, salt, vinegar, spices, and garlic.

From an old cookbook · modernised transcription
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Why it works: Pepper and capsicum match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 34,571 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

To Pickle Lemons, and Limes

Oven, in the book's wordsA very cool oven

Ingredients

Directions

Prepare

  1. Wipe the lemons clean and make four deep incisions in each, from the stalk to the blossom end, without dividing the fruit.

  2. Stuff the lemons with salt and place them in a deep dish in a sunny spot for 7 to 10 days, turning and basting them with their own juice.

Pickle

  1. Rub the lemons with turmeric and place them in a stone jar with garlic and onions.

  2. Boil the vinegar with ginger, black pepper, and mustard seed, then pour it over the lemons.

  3. Cover the jar with a plate and let it sit overnight.

  4. Add capsicums or chilies, then tie a skin and thick paper over the jar.

Store

  1. Store the pickles covered with vinegar; they will last for seven years.

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 + capsicumtop 2% of all pairs
    Smell alikestrong
    Cooked together34,571 recipes

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

  2. Lemon + peppertop 3% of all pairs
    Smell alikestrong
    Cooked together27,047 recipes

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

  3. Lemon + gingertop 5% of all pairs
    Smell alikestrong
    Cooked together5,154 recipes

    Shared aroma: beta-phellandrene (minty, terpene).

  4. Mustard + garlictop 6% of all pairs
    Smell alikestrong
    Cooked together4,053 recipes

    Shared aroma: linalool (floral, citrus).

  5. Ginger + garlictop 6% of all pairs
    Smell alikemoderate
    Cooked together6,402 recipes

    Shared aroma: beta-phellandrene (minty, terpene).

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

What each ingredient does

Lemons
Provide the sour citrus flesh and fragrant rind that flavour the pickle.
Coarse sea salt
Draws out moisture from the lemons and helps preserve them.
White wine vinegar
Its acidity preserves the lemons and keeps them submerged and sharp.
Mustard seed
Adds a pungent, sharp aroma and flavour to the vinegar.
Black pepper
Adds a warm, mildly hot aroma to the pickling liquid.

The step that matters

Keeping the lemons covered with vinegar. Any lemon left exposed to air can mould or spoil, because the acid and salt only preserve fruit that stays fully submerged in the liquid.

Swap the ginger

How well each one fits the dish's main ingredients (lemon, white wine, vinegar, pepper, mustard, capsicum, garlic):

  1. Tarragonfits better
  2. Thymefits better
  3. Parsleyfits better
  4. Gingerthe original

Fit is the average pairing score against lemon, white wine, vinegar, pepper, mustard, capsicum, garlic. 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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