Add brown sugar and mix until the butter and sugar are roughly mixed.
(If you mix too much and the sugar melts, the cookies will not be moist when baked)
3
Add salt, egg, and vanilla extract and mix quickly so that the dough does not separate.
4
Add chocolate chips and sift the powder together.
5
Mix the dough. (The longer you mix the dough, the tougher it gets, so work quickly.)
6
Spread the dough with an ice cream scoop or your hands and pan it at wide intervals.
7
Bake at 338 °F/170 °C for 15 minutes (preheating required).
8
When the dough is baked, let it cool completely before tasting. Enjoy!