auxiliary materials: appropriate amount of oil, appropriate amount of vinegar and appropriate amount of soy sauce

Steps:

1. Prepare for coupling.

2. bring the water to a boil.

3. Put some soy sauce and vinegar in the water.

4. put the coupling into the pot.

5. stew coupling is done.

Tip:

When coupling pendulum, each coupling should be dipped into the water, and do not overlap. This way, each coupling tastes good.