1. Prepare materials. Preheat the oven at 190 degrees.
2. Spread the mold evenly with butter, pour in the white sugar, turn the mold gently, and pour out the excess white sugar.
3. Separate the eggs, add jam to the yolk,
4. Grind some lemon zest. Mix well.
5. Add a little lemon juice to the egg whites and beat until large bubbles.
6. Add white sugar and continue to beat until stiff foaming.
7. Add the egg white batter to the egg yolk batter
8. Cut and mix well.
9. Pour the egg batter into the mold and put it in the lower layer of the oven. Pipe up and down and bake for 10-15 minutes.
Tips:1. Eat while it's hot.
2. Other jams can also be used.
