1. Prepare the main ingredients
2. Cut mushrooms into small pieces, mince ginger and garlic
3. Bring water to a boil in a pot, add the whole tofu and cook for 2-3 minutes
4. Remove and drain
5. Boil the green beans for a while
6. Drained tofu, cut into small pieces
7. Add garlic and ginger to fragrant tofu cubes
8. Add appropriate amount of boiling water, add green beans, shrimps, mushrooms and boil, add seasonings to taste
9. Pour in starch water to thicken
10. Delicious soup out of the pot
