01 -
Line a square 9x9" dish with parchment paper or spray with cooking spray.
02 -
Preheat the oven to 350°F.
03 -
In a mixing bowl, combine the flour, baking soda, baking powder and salt. Stir until mixed well.
04 -
In another mixing bowl, combine softened butter, brown sugar and granulated sugar. Mix with an electric mixer until well mixed.
05 -
Add the egg and vanilla extract. Mix with the electric mixer until combined.
06 -
Slowly add flour mixture to butter mixture, mixing as you go until it's all just combined. Do not overmix.
07 -
Add chocolate chips and stir until combined.
08 -
Spread cookie batter into the pan.
09 -
Cook for 20-22 minutes or until golden and cooked to your desired crispiness.
10 -
Once cool, remove from the baking dish and cut into 9 pieces.