Preheat oven to 375. In a small bowl, combine flour, baking soda and salt; set aside. In small bowl, combine butter, sugar, brown sugar and vanilla extract; beat until creamy. Beat in eggs, one at a time. Gradually add flour mixture. Stir in chocolate chips and nuts. Drop by level tablespoonfuls onto ungreased cookie sheets. Bake at 375 for 9-11 minutes.
To make pan cookies, spread dough into greased 15-1/2x10-1/2x1-inch baking pan. Bake for 20-25 minutes. Cool completely. Cut into 35 2-inch squares.
Several times every year!