Heat oven 375° F. In large mixer bowl, beat butter, granulated sugar and brown sugar until creamy. Add eggs and vanilla; beat until light and fluffy. Stir together flour, baking soda and salt; gradually beat into butter mixture. Stir in chocolate chips. Drop by rounded teaspoonfuls onto ungreased cookie sheet. Bake 8 to 10 minutes or until lightly browned. Cool slightly. Remove from cookie sheet to wire rack. Cool completely. Submitted by Robin T.