Add150g water, 80g butter and 20g sugar to the pot, and simmer until the butter melts. Pour in100g flour, blanch, turn off the heat, and break up the three eggs. Then pour the batter into a container, stir it evenly, put it in a paper bag and squeeze it on a baking tray. Preheat the oven 150 degrees for 5 minutes, then put it in a baking tray and adjust it to 65500 degrees.