Use a mortar and pestle to crush the garlic and chili peppers for a smoother texture.Use fresh ingredients, including lime juice and fish sauce, for the best flavor.Adjust the amount of chili peppers and sugar to your personal taste preferences.Make the sauce in advance to allow the flavors to meld together for a more developed taste.Store the sauce in a glass jar or airtight container in the refrigerator for up to 2 weeks.