Part 3/10:
A detailed overview of the ingredients and preparation processes is provided. For instance, the Som Tum incorporates fresh vegetables, ripe tomatoes, and lime, with adjustable spiciness tailored to individual preferences. The use of fermented fish, Pla Ra, is highlighted as a unique and essential ingredient that imparts a distinctive umami flavor without excessive odor, dispelling common misconceptions. The process of making Pla Ra involves fermenting fish with salt and rice bran from various local sources, resulting in a condiment integral to authentic Isaan flavor profiles.