1. Wash a tender green spinach, cut into sections and put it into a food processor, add a little water to make spinach juice.
2. Weigh the raw materials for later use, sift the flour in advance, and soak the eggs in warm water from the refrigerator.
3. Separate the egg yolk and egg white, add vegetable oil and spinach juice to the egg yolk, and mix well.
4. Sift the egg yolk liquid into the flour and mix it evenly into a smooth egg yolk paste.
5. Add the white sugar to the egg whites three times and beat until dry and foamy.
6. Take one third of the meringue and put it in the egg yolk paste and mix evenly.
7. Then take one third of the meringue and egg yolk paste and mix well. At this time, preheat the oven and heat up and down at 150 degrees for 5 minutes.
8. Pour the egg yolk paste into the remaining meringue bowl.
9. Mix quickly and evenly.
10. Pour an 8-inch mold from a height of 15cm, shake it on the table a few times to produce large bubbles, and smooth it with a spatula.
11. Put it in the middle layer of the preheated oven, heat up and down at 150 degrees, and bake for one hour.
12. Take out the undercut and release the mold after cooling.
13. Finished product.
14. Finished product.
Tips:The temperature of the oven can be adjusted according to the conditions of your own oven.
