Prawn and Sweet Potato Cakes

This is another of Southeast Asia’s most popular snacks – deep-fried, of course. If deep-frying is not your style of cooking, these sweet potato cakes can be shallow-fried in a non-stick frying pan. Sweet potatoes (Ipomoea batatas) sold in the West are usually orange-fleshed, but there are white varieties. The yellow varieties contain carotene, which turns them yellow and provides some vitamin A, so these are more nutritious as well as more app