Step 1

Preheat the oven to 375°F. Spray a 15x10 inch baking sheet/jelly-roll pan with non-stick baking spray. You can also line the baking sheet pan with parchment paper.

Step 2

Cream together butter, brown sugar, and sugar.

Step 3

Add in vanilla extract and eggs, and mix until well combined.

Step 4

Combine the flour, baking soda, and salt together in a bowl. Gradually beat in the flour mixture. Mix until combined.

Step 5

Stir in the chocolate chips; reserve 1/4 cup.

Step 6

Press the cookie dough into an even layer throughout the bottom of the pan.

Step 7

Sprinkle the remaining chocolate chips on top of the cookie dough.

Step 8

Bake for 20 to 24 minutes. The edges will look golden brown, and the middle will be set up.

Step 9

Allow to cool in the pan on a wire rack before cutting into bars.