2/3 cup Hellmann's® or Best Foods® Real Mayonnaise
1/4 cup water
1 package (6 oz.) semi-sweet chocolate chips
Preheat oven to 350°. Spray baking sheets with no-stick cooking spray; set aside.
Combine cake mix, Hellmann's® or Best Foods® Real Mayonnaise, egg and water in large mixing bowl until smooth. Stir in chips. Drop dough by rounded tablespoonfuls, 2 inches apart on prepared baking sheets.
Bake 10 minutes or until bottoms are golden brown. Cool 1 minute on wire rack; remove from sheets and cool completely.