Preheat oven to 350 degrees. Line baking sheet with parchment paper.
Combine cake mix, water, butter and egg in large bowl. Beat with electric mixer at low speed until moistened. Increase speed to medium; beat 1 minute. (Dough will be thick) stir in chips and nuts; mix until well blended.
Drop dough ny heaping teaspoonfuls 2 inches apart onto parchment lined sheet. Bake 10 to 12 minutes or until set. Let cookies stand on cookie sheet 1 minute. Remove cookies onto wire rack; cool completely. Makes 4 dozen