The napa cabbage, shungiku should be sliced into 1/2 inch pieces. The tokyo negi or green onion can be cut into 1 inch or 1.5 inch pieces. The onions should be sliced about 1/4 thick. The bottom growing pad where the enoki mushrooms grew can be cut off. The shiitake mushrooms, if using dry should be reconstituted, and then sliced about 1/2 in thick.