1. The pork yam is chopped into puree, corn, and greens are diced.
2. Put all the ingredients in a basin, add oyster sauce, edible oil, and salt, mix well
3. Pour the well-mixed ingredients into a dish, put it in a rice cooker, and steam for 25 minutes (from the boiling point)
4. After being steamed, it will look like a rice ball. You can eat one bite at a time.
