1. Separate 3 eggs into 2 bowls: A, 2 albumens;B, 2 yolks.+1 whole egg.2. Beat the protein with an electric beater until stiff peaks form. Gradually add 10g sugar and a few drops of white vinegar (add more for better results).

In the bowl with yolk, mix in remaining 15 grams of sugar and all milk, stir well.3. Pour the well-mixed egg milk into small bowls and microwave on medium-high heat for 3-4 minutes. Remove when it's mostly set.4. Pipe the beaten whites onto the set egg milk using a piping bag. Place on a baking tray with a little water, bake at 180 degrees for 15 minutes.Tips

OvenBaking time may vary depending on your oven.Heat the custard with medium-high heat for 3-4 minutes, allowing it to ．

4. Use a piping to pipe the whipped onto the custard, place it on a baking tray with a little water added, and bake at 180 degrees for 15 minutes.