1. Prepare materials.
2. Beat the egg whites and tartar powder into large bubbles and add sugar.
3. Beat into a hard pass state.
4. Add milk and corn oil to the egg yolk and mix well.
5. Sift in the flour and cornstarch.
6. Stir the egg white and egg yolk paste evenly.
7. Pour into the mold, shake out large bubbles, and preheat the oven for 10 minutes.
8. Bake at 150°C for 40 minutes, take it out to cool, and remove from the mold.
9. Served with sweet and sour cherry tomatoes, a good afternoon tea!
