In a dish, sift the flour, baking powder, soda and salt, leave it aside.
1. In the mixer bowl, put the butter, brown sugar, and sugar. Attach the whisk and turn on medium speed until the mixture is smooth.
2. Add the egg and vanilla. Continue whisking until the eggs disappear and the mixture is well combined.
3. Add the flour mixture and work to mix until you get a soft dough. Do not increase the operating time. Add two-thirds of the chocolate chips.