Canh Chua tamarind broth with silver perch and elephant ear stem

Elephant ear stems must be up there as one of the most exotic-sounding and evocative vegetable names in English.The Fairfield City Council guide to South-East Asian Greens explains that Elephant Ear Stem (Khoai So)"...gets its name from its wide elephant-like ear leaf (not shown). The stem and stalk are used for cooking and yield mild grassy flavoured spongy flesh. Khoai So is a good source of