1 pkg. (18 1/2 oz.) yellow cake mix
1 egg
2/3 c. real mayonnaise (not lite)
1/4 c. water
1 pkg. (6 oz.) semi-sweet chocolate chips

Stir together until smooth. Add chocolate chips. Drop by teaspoon 2 inches apart on ungreased sheet. Bake 375 degrees 8 to 10 minutes. Cool 1 minute. Cool on wire rack. Makes about 4 1/2 dozen.