1. Prepare all the ingredients
2. Sift milk powder and cornstarch into the yogurt
3. Stir evenly with a spatula until there are no particles
4. Add the egg whites with sugar and lemon juice to make a hard foam
5. Put half of the egg whites into the yogurt paste and mix well
6. After stirring, pour into the remaining egg whites and stir evenly (stir quickly, or the bubbles will disappear)
7. Then put it in a piping bag
8. Squeeze onto the baking tray, preheat the middle layer of the oven at 150 degrees for about 30 minutes
9. Finished picture
10. Finished picture
