Hoi-som
Fermented shell
Local name
Hoi-som
Ingredients
Venus Shells: (Unidentified) (Hoi-khaao, Hoi-pha) Salt, sugar, Nam-sao-khao (rice-wash water).
Fish normally used:
Fermentation: 3 days.
Storage life: 2-3 months.
Production: In home industry in the South.
Properties: Solid, salty and sour, white flesh (the natural colour).
Microorganisms
Pediococcus halophilus
Method
Remove the flesh from the shell and wash it. Add salt in the ratio of 3:1 by weight and mix well. Add Nam-sao-khao and a small amount of sugar and mix well. Leave the mixed ingredients to ferment for 3 days.
Consumption
Mix with shallots, bird pepper and lemongrass, and eat as a condiment for vegetables, accompanied by rice.