Banh xeo is a popular rustic cake in Vietnam. Banh xeo is made of flour on the outside, inside with meat, shrimp like bean sprouts, shallots... Banh xeo is often poured on a wide pan, the sound of when dropping. The pan makes a "sizzling..oo" sound because the dough is very thin. After the dough is nearly cooked, people pour the filling and then fold them in a semicircle, pancakes can be poured in two ways: crispy pancakes and chewy pancakes.