1. Pick out the crab roe from 1 crab, the crab roe is runny.
2. Put oil in the pan, heat it up, add the crab roe and stir fry for a while.
3. Pour in the right amount of water and sliced ham and bring to a boil.
4. Then pour in the internal fat tofu diced with a knife. Boil on high heat, put a proper amount of salt.
5. Add water starch and cook until slightly thickened. Sprinkle an appropriate amount of shallots.
6. Platter.
