Preheat oven to 350
Add dry ingredients into a mixing bowl: flour, baking powder, baking soda, and salt. Set aside.
In a second bowl, cream softened butter, brown sugar, eggs, vanilla, and buttermilk.
Add the flour mixture to the wet ingredients to form a dough.
Fold in chocolate chips.
Using a cookie scoop, drop 1-inch balls of cookie dough onto a lined baking sheet at least 1 inch apart.
Bake for 10-12 minutes.
Remove from oven and let cool for 5 minutes before transferring the cookies to a cooling rack.