With an electric mixer, beat at medium speed until creamy. Beat in egg and vanilla. At low speed, gradually beat in flour mixture until well blended. Stir in chips and nuts. Drop by rounded teaspoonfuls about 2 inches apart onto cooki e sheets.
Place cookies on wire cooling racks to cool.
Store in an airtight container in a cool place. For chewy cookies, use the shorter baking time. All rights reserved.