Sticky rice cakes abound throughout South East Asia. In the Philippines, eating the local variation, known as suman, is a national pastime. Serve with latik sauce or a simple mixture of sugar and grated coconut.Sticky rice cakes abound throughout South East Asia. In the Philippines, eating the local variation, known as suman, is a national pastime. Serve with latik sauce or a simple mixture of sugar and grated coconut.