Thick and Chewy Chocolate Chip Cookies

2 cups + 2 Tbs all-purpose flour
1/2 tsp baking soda
1/2 tsp salt
3/4 cup butter
1 cup brown sugar, packed
1/2 cup sugar
1 large egg
1 egg yolk
2 tsp vanilla extract
1-1/2 cups chocolate chips
1 cup chopped walnuts (optional)

Preheat oven to 325 degrees.  Mix flour, baking soda and salt together, set aside.  Mix butter and sugars in mixer until well combined.  Beat in egg, egg yolk and vanilla.  Add dry ingredients and beat at low speed until just combined.  Stir in chocolate chips and walnuts.  Using a cookie scoop, place cookies two inches apart on greased or parchment-lined cookie sheets.

Bake 10-12 minutes or until cookies are golden brown.