Some online recipes are not detailed enough. First, melt the butter with water, and then add the flour when the water boils. The whole process is heating. Don't turn off the fire, boil the flour into a ball. Turn off the heat and add a little more eggs than water.

Of course, after the failure, I watched a lot of posts and videos, which was different from what I did before. I have never tried it myself. I only have time to do it every weekend. I have to go home and have a try this weekend. It's really important for beginners to choose the right recipe. Sometimes watching videos can be more summarized than watching words.

And according to the comparison of my prescriptions.

1. Regarding the ingredients (1), the ratio of butter to flour is about 2: 3 or 3: 4 or 4: 5 or 5: 6 or 6: 7 (2) The weight of water is less than the sum of the weights of butter and flour. If milk is added, the sum of water and liquid should be reduced until you are proficient. ...

(3) water+milk