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For Preserving Eggs

A method of preserving eggs by soaking them in a lime and sea salt brine.

From an old cookbook · modernised transcription
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Why it works: Lime and egg are a kitchen classic. They rank in the top 34% of all ingredient pairs, and cooks put them together in 1,658 recipes. Both carry decanal, which smells soap, orange peel. The science ↓

For Preserving Eggs

Ingredients

Directions

Make the brine

  1. Combine unslaked lime and coarse sea salt in a large container.

  2. Pour boiling water over the mixture and let it cool.

Pack and cover

  1. Place eggs in a jar or tub with the small end facing down.

  2. Once the mixture is cool, pour it over the eggs.

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. Lime + eggtop 34% of all pairs
    Smell alikelow
    Cooked together1,658 recipes

    Shared aroma: decanal (soap, orange peel).

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

What each ingredient does

Eggs
The main food being preserved; the brine slowly changes its white and yolk.
Unslaked lime
Makes the brine strongly alkaline, which slowly transforms the egg white and yolk during curing.
Coarse sea salt
Preserves the eggs and seasons them while drawing moisture out of the brine's contact surface.

The step that matters

Let the mixture cool before pouring it over the eggs. Hot brine would partly cook the eggs and set the white before the alkaline curing can work through them evenly. Cooling first keeps the eggs raw so the slow curing process can proceed.

“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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