mix flour, soda, and salt; set aside. Beat butter and sugars with electric mixer on medium speed until light and fluffy. Add eggs and vanilla; mix well. Gradually beat in flour mixture on low speed. Stir in chocolate chips and walnuts.

Drop by rounded tablespoon 2in. apart on ungreased baking sheets.

Bake in preheated 375°F oven 8 to 10 min. or until lightly browned. Cool on baking sheets 1 min. remove to wire racks; cool completely.