In medium bowl, combine flour, baking soda and salt. In large bowl, beat butter and sugars with electric mixer until light and fluffy. Add egg and vanilla; mix well. Add flour mixture to butter mixture; mix well. Stir in chips. Drop by rounded tablespoons onto ungreased cookie pan.
Bake 11-13 minutes or until edges are golden brown. Cool 3 minutes on pan; remove and cool completely on cooling grid.