Eggs with fissures are sold as sariwa or fresh duck eggs. Eggs with thin shells but have no cracks are made into salted red eggs. Dip eggs in a mixture of salt, garden soil, and water.
- Put 3 canfulls of salt (using common powdered milk can (300-330 ml) to 1/2 pail of mud-clay that have been strained.
- Add water gradually. Stop adding water to soil when mixture sticks to your fingers when you dip these in the salty muck.
- Coat eggs with soil-salt mixture and store for 18 days in a box measuring 14 x 14 x 21 inches.
- On the 19th day, wash and hard-boil the eggs.
- Dip salted eggs in a solution or red dye.
The next batch of eggs can be processed using the previous mixture, but add one canful of salt.
source: ldc.da.gov.ph, photo from choosephils.com, itikbersemi.blogspot.com