1 box chocolate cake mix with pudding
1 (8 oz.) pkg. cream cheese
1/3 c. sugar
1 egg
1 (6 oz.) pkg. chocolate chips

Beat cream cheese until fluffy. Add sugar, then egg and mix. Stir in the chips. Prepare cake according to package directions. Fill muffin cups three quarters full and spoon 1 teaspoon chocolate mixture on top. Bake at 350 degrees about 30 minutes.