1. Add 30 grams of sugar to the egg yolk and stir until the sugar melts
2. Mix the lemon juice with water, pour it into the egg yolk and mix well
3. Sift in the low powder and stir until smooth and no dry powder
4. Add the egg whites to the remaining 30 grams of caster sugar in 3 times, and beat until dry and foamy
5. Take 1/3 of the egg whites into the egg yolk paste and mix well; then pour all the egg yolk paste into the remaining egg whites and stir evenly, remember not to stir to defoam
6. Put the mixed batter into a disposable piping bag, and then squeeze it into the mold for 8 minutes
7. Slightly shake the bubbles and send them to the middle layer of the preheated oven, heat up and down at 160 degrees, and bake for about 25 minutes
8. Finished product
9. Finished product
