2. Mash in a cooking machine.

3. Add an egg yolk and mix well.

4. Add fine sugar to the egg white and beat it to a hard foaming state with an egg beater.

5. Sieve the low powder in the banana yolk paste.

6. Stir evenly with a rubber scraper.

7. Add the beaten protein into the egg yolk paste several times and stir well.

8. Put the batter in a paper bag.

9. Don't put oil in the pan, just squeeze the batter into the pan. Keep the fire low until many tiny bubbles appear on the surface of the batter. When the bubbles burst, turn them over.

10, fry until golden on both sides.