1 3/4 cups all purpose flour 3/4 teaspoons baking soda 1/4 teaspoons salt 3/4 cup unsalted butter (1 1/2 sticks) 1 cup creamy peanut butter 1/2 cup sugar 1/2 cup packed light brown sugar 1 egg 1 teaspoon vanilla 12 oz chopped semi sweet chocolate (or a bag of chocolate chunks or chips)
Preheat oven to 375 F. Line a 13×9 pan with foil, grease or spray the foil.
Whisk together flour, baking soda and salt.
Using an electric mixer, cream the butter, sugars, and peanut butter until light and fluffy. Beat in egg and vanilla until well combined. Turn mixer down to low and slowly add in dry ingredients. Turn off mixer and fold in chocolate.
Press cookie dough into prepared pan and bake 20-22 minutes or until golden brown. Cool on wire rack in pan. When cooled completely, lift out by foil and cut into 32 bars.
I used to make these or this type when I cooked in the oil patch