1. Cut the butter into small pieces, add water, salt and sugar, and heat until boiling and leave the fire
2. Pour in the sifted flour at one time and heat it over low heat
3. Stir quickly until there is no powder, add a little egg liquid, mix well with the batter, then add a little egg liquid, mix well until the consistency of the batter falls off the spoon to form an inverted triangle
4. Squeeze the flower mounting mouth onto the baking tray. Use straight or flower shaped mounting mouth. If not, use a small spoon
5. Put the baking tray into the oven, middle or lower layers can be baked at 180 ℃ for about 30 minutes (the temperature is adjusted according to your own oven)
6. Make a small incision in the third part of the puff
7. Squeeze in the custard sauce (see below), or squeeze in the bottom of the puff with a small flower mouth
8. It tastes better with chocolate sauce
2、 Castar sauce
9. Mix the egg and sugar until white. Add in low gluten flour and mix well
10. Bring the milk to a boil, pour into the batter twice and mix well
11. Put it on the fire and continue to heat it at low heat. During this period, keep stirring to prevent sticking to the pan until the batter is thick and paddle like
12. Add butter while hot, cover or cover with plastic film, and cool