Preheat oven to 325°F.

Line a 8x8 or 9x9" baking pan with greased parchment paper. Set aside.

In a medium bowl, combine the flour, salt and baking soda. Set aside.

In a large bowl, cream together melted butter, brown sugar, and white sugar.

Stir in large egg and egg yolk until combined. Stir in vanilla extract.

Combine dry ingredients with wet ingredients, stirring just until flour is incorporated. Don't overmix. The flour should still be visible.

Add in 1 cup of chocolate chips. Fold in until just combined. Don't overmix.

Press dough into an even layer in prepared pan.

Press remaining chocolate chips lightly on the top pf the dough.

Bake for 25-30 minutes.

Remove from pan and let cool completely on wire rack.

Cut into squares and enjoy!