To put it simply, the sticky rice in bamboo thai food dish consists of a mixture that is put into the bamboo stick. The bamboo is then cooked for several hours. The ingredients in the mixture used to make this Thai rice pudding are sticky rice, coconut milk and sugar. Many pele are under the impression that the sticky rice and other ingredients are cooked and then fed into the bamboo, the fact is that the bamboo stick in the image are folded banana plant leaves. This helps keep the contents within the bamboo stick as the rice pudding is cooked in the bamboo. If you are wondering why the bamboo appears so clean and neat even after being cooked for several hours, the reason is simple. The vendor strips the bamboo stick of the top burnt layer, this leaves the white portion exposed and gives the bamboo a clean look.