1. yolk
2. protein
3. Add yogurt, vanilla extract, 10 grams of sugar to the egg yolk
4. Whipped evenly
5. Insulated water whipped until emulsified and viscous
6. Move to ice water to cool down
7. Add the egg whites to the remaining 30 grams of sugar
8. Hit until it is hard to release and spare
9. Pour the whipped cream into the basin
10. Hit hard hair
11. Add the egg whites in 8
12. Mix well
13. Then pour the egg yolk liquid in 6
14. Mix well
15. Pour into a fresh-keeping bowl, put it in the refrigerator and freeze for 5-8 hours
16. Take it out in the middle and stir once
17. Wow, delicious
18. Mellow and rich
