Preheat oven to 375 degrees F.

In mixing bowl, whisk together all dry ingredients minus the chocolate chips.

In electric mixing bowl, beat butter for about three minutes until pale yellow. Add sugar and continue to beat for another two minutes.

Add eggs, one at a time, beating between additions; and then add vanilla extract.

With mixer on slow speed, slowly add flour mixture until just blended. Lastly, add the chocolate chips and continue for a few seconds until blended.

With ice cream scooper, drop onto cookie sheets about two inches apart. For these large cookies, it's best to bake only six at a time.

Bake for about 11 minutes until edges turn golden brown. Let cool for a few minutes before transferring from cookie sheet.