1. Half an old duck cut into pieces
2. Wash the sauerkraut and twist dry, cut winter melon and ginger, cut into pieces and set aside
3. Take a hot spoon to remove blood from the old duck
4. Put the old duck, wax gourd and ginger slices into the pressure cooker and put the ingredients in the water
5. 30 minutes later, add chopped green onion
6. Just out of the pot
Tips:Use the purple casserole to simmer longer if time permits
