Remove loose pieces of the bamboo shoots and soak the stems in cold water until soft. Soak goji berry. Chop Chinese Spinach.
In a pot of boiling water, add ginger slices and simmer. Add bamboo shoots; simmer. Before serving, add potato starch solution to thicken broth. Add Chinese spinach and goji berry. Season with salt, sugar, mushroom seasoning and white pepper to taste.