1 pkg. yellow cake mix (or chocolate)
1 egg
2/3 c. mayonnaise
1/4 c. water
1 (6 oz.) pkg. semi-sweet chocolate bits

Stir together cake, mayonnaise, and water until smooth, stir in chocolate pieces. Drop by teaspoonful onto a greased cookie sheet. Bake for 8-10 minutes at 375 degrees.