1. Preheat oven to 400º. Line two baking sheets with parchment paper.

2. Sift flour, baking powder and salt together onto waxed paper and set aside.

3. In a medium-sized bowl, using an electric mixer on medium, cream together the butter, brown and white sugar and vanilla, until light and fluffy. Scrape the bowl down as needed. Add the eggs, combining well. Add the flour mixture, mixing well and then the chocolate chips.