Heat oven to 375F. In large bowl, combine all ingredients except flour and cocoa. Beat at medium speed until light and fluffy (2-3 minutes). Gradually add flour and cocoa until well mixed (2-3 minutes). Shape rounded teaspoonfuls as desired. (1" balls, 2-3" logs, balls flattened, balls with indentations, etc.) or use cookie press. Place 1" apart on cookie sheets. Bake for 7-9 minutes or until set. Cool. Decorate with melted chocolate chips, melted almond bark, nuts, colored sugars, candied fruit, candies, maraschino cherries, etc. Yield: 3 dozen.