Step1:Boil butter and water. Add flour. Stir to make it mixed evenly.
Step2:Cool the batter to room temperature. Add eggs one by one. Bring out 4cm or so when pulling out chopsticks.
Step3:In disk. 170 ℃ for 20 minutes to swell. Turn 150 degrees for 40 minutes.
Cooking tips:There are skills in making delicious dishes.