Preheat oven to 350 F. Prepare a 9-inch by 13-inch baking dish with parchment paper or lightly spray with cooking spray.
To a large mixing bowl, add the flour, baking powder and salt. Mix to combine.
Mix the butter and the zero calorie sugar in a separate bowl until it creams using a hand mixer or a standing mixer.
Add the maple syrup and vanilla extract and combine. Then add the eggs to the mixture mixing until fully incorporated.
Slowly add the dry flour mixture to the wet mixture to combine.
Fold the chocolate chips into the batter by hand reserving 2 tablespoons for on top. Transfer the batter to the prepare baking dish then top with the reserved chocolate chips.
Bake for 20-25 minutes or until golden brown and a toothpick can be inserted in the center clean.
Remove the bars from the oven and cool in the pan 25 minutes before slicing and enjoying.
Notes
Stop mixing the cookie dough once it is well combined to avoid overmixing and making dense cookies.
Allow the cookie bars to fully cool before cutting them; otherwise, they will crumble and fall apart.
Line your greased 9x13 baking dish with parchment paper to make removing the bars from the pan a breeze.