Name: How to Preserve Eggs
Ingredients: 2 pints fresh slacked lime; 1 pint common salt; water

How to Preserve Eggs

Ingredients

2 pints fresh slacked lime
1 pint common salt
water

Directions

In a large container, mix 2 pints of fresh slacked lime and 1 pint of common salt with enough water to fill the container halfway.
Once mixed, place your eggs in the solution any time after June.
The eggs will keep for up to two 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

What each ingredient does

Slacked lime: Raises the alkalinity of the solution, which helps slow spoilage of the egg contents.
Common salt: Adds salinity to the solution, supporting its preserving effect alongside the lime.

“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.