1. Wash the beef and cut it into slices;
2. Stir in baking soda and cooking wine together;
3. Then add onion and ginger water, oyster sauce, soy sauce and vegetable oil, mix well and marinate for 10 minutes;
4. Stir fry the rice and glutinous rice in a small half cup and octagon together, then put them into the blender and beat them to the end (not too thin);
5. Add the rice flour to the beef and mix well;
6. Put the egg tarts into the mould and steam for 10 to 12 minutes;
7. Heat the sesame oil on a small fire, and pour a little over the beef.