1. Ingredients: 2 egg whites, 35g low-gluten flour, 40g fine sugar, 20g butter, 1 electric egg beater.

2. Prepare two clean containers without oil and water. After breaking the eggs, separate the egg whites and egg yolks; 3. Weigh 40g of fine sugar into the egg whites; 4. Sift 35g of flour and set aside; 5. Melt 20g of butter in water and set aside.

; 6. Beat the egg whites with an electric egg beater until dry peaks form, and when the egg beater is lifted, there will be sharp corners; 7. Add low-gluten flour; 8. Fold from the bottom up until there is no dry powder; 9.

, put in the liquid butter that has been melted in advance; 10. From the bottom up, stir until there is no oil, so that the egg batter and butter are completely blended; 11. Prepare the non-stick baking pan; use a spoon to spoon the egg batter on the baking sheet

, the main thing is not to stick together; 12. After preheating the baking pan to 180 degrees, place the baking pan in the middle of the oven and bake it with upper and lower heat until the surface of the biscuits turns yellow, which takes about 20-25 minutes; 13. Let cool

After that, you can eat.