Preheat oven to 350 degrees F. Line cookie sheets* with Reynolds Parchment Paper; set aside. On another sheet of Reynolds(R) Parchment Paper, combine flour, baking soda, salt and cinnamon; set aside.
Beat together butter, brown sugar and granulated sugar in a large mixing bowl, with an electric mixer, until light and fluffy. Beat in eggs and vanilla.
Add flour mixture gradually to butter mixture; beat until well blended. Stir in chocolate chips and nuts. Drop by rounded tablespoons onto parchment-lined cookie sheets.
Bake 10 to 12 minutes or until lightly browned. Cool.