"Nuoc Cham Editor's note: The recipe and introductory text below are excerpted from Mai Pham's book Pleasures of the Vietnamese Table. Pham also shared some helpful cooking tips exclusively with Epicurious, which we've added at the bottom of the page. To read more about Pham and Vietnamese cuisine, click here. This recipe originally accompanied Crispy Spring Rolls. Nuoc cham is a must at every Vietnamese table, no matter what is served. You can use this condiment for dipping meat, seafood and vegetables, and for drizzling on rice. When serving it with steamed meats (such as steamed chicken), I often reduce the water by half so the sauce is more concentrated. You can often determine a family's roots just by looking at and tasting their nuoc cham. If it's clear and dotted with chopped chilies, the cook is probably from the central or northern regions, where a simple and straightforward version is preferred. But if it's diluted with water and lime juice and sweetened with sugar, one can surmise that the cook is from the verdant south. Although it will keep up to two weeks in the refrigerator, nuoc cham is best when freshly made. I prefer the intense flavor of the tiny Thai bird chilies, but any hot chilies will do...."