In a large mixing bowl, add softened butter, sugars, and egg, and mix well.
In a separate bowl, combine the baking soda, salt, and sifted flour. Add the dry ingredients to the wet, and mix well. Fold in walnuts before adding the chocolate chip mixture.
Form dough into tablespoon-sized balls, and place on a prepared baking sheet. Bake at 350° for 11-12 minutes.
Keyword chocolate chip cookies, Chocolate chips, cookie recipe, cookies