Ingredients: 5-6 celery, 2 soybeans, half a yam, a small bowl of dried mussels and half a cup of rice. 1. Soak soybeans in clear water for 4 hours. 2. Dry mussels and soak them in water for 2 hours. 3, yam peeled and sliced, this can be prepared when preparing porridge. 4. Wash the celery, chop it up, and put it into a soymilk machine to stir it into a paste. 5. Taomi, put these ingredients into the rice cooker and plug in water for 40 minutes. 6. You can add salt after cooking. This delicious porridge is ready.