Preheat oven to 350 degrees.
Using an electric mixer beat the butter, shortening sugar until creamy. Add eggs one at a time. Add vanilla. Combine remaining ingredients together and add them to the creamed butter mixture until everything is mixed well. Drop by rounded spoonfuls onto ungreased baking sheets. Bake for 10-12 minutes. Remove from sheets and place on a cooling rack. Yield: 18-24 cookies