Ingredients that need to be prepared in advance include: 60 grams of red dates, 2 eggs, 10 grams of ginger, 10 grams of wolfberry, and an appropriate amount of brown sugar.

1. Prepare the ingredients: red dates, wolfberries, eggs, brown sugar, and ginger.

2. Add water to the milk pot, add eggs, and cook for 8 minutes until cooked.

3. Peel the boiled eggs, wash the red dates and wolfberries and set aside, peel and slice the ginger.

4. Add water to the pot, add eggs, red dates, and ginger slices. Bring to a boil over high heat, then turn to low heat and continue cooking for 15 minutes.

5. Add wolfberry and brown sugar and stir evenly.

6. Pour out and complete.