Bake the lotus seeds and gorgon seeds in the oven for about 20-30 minutes before grinding them into powder. Please follow the following steps:

1. Wash the fresh lotus seeds and gorgon seeds separately. , remove impurities.

2. Preheat the oven to 150℃-180℃, spread the lotus seeds and gorgon seeds flatly on the baking sheet, and put them in the oven.

3. Every 5-10 minutes or so, take out the baking sheet and gently shake or turn the lotus seeds and gorgon seeds to ensure that they are heated evenly.

4. Continue baking and turning until the surface of the lotus seeds and gorgon seeds turns golden brown and has a faint fragrance, then you can take them out.

5. Let the roasted lotus seeds and gorgon seeds cool down, and then grind them into powder with a grinder or stone mill. It should be noted that the oven temperature and time should be adjusted according to the actual situation to avoid over-baking or under-baking. At the same time, make sure the lotus seeds and Gorgon seeds are completely dry before grinding to avoid affecting the quality of the grinding.