2. First, soak the dried kelp one night in advance and wash it clean.
3. Wash the duck, blanch it and remove it for later use.
4. Put the duck after drowning into the pot and add the washed mung beans.
5. Add the soaked and washed kelp silk. Add the right amount of water and shoot a ginger.
6. Open the stew program in the high-pressure rice cooker and wait for the program to run automatically.
7. After adding a little salt to taste, put the pot on the plate, and the delicious mung bean kelp old duck soup will be ready.