1 (18.25 oz.) pkg. chocolate cake mix
1 (8 oz.) pkg. cream cheese
1/3 c. sugar
1 egg
1 (6 oz.) pkg. chocolate chips

Mix cake according to directions. Fill paper cups in muffin tins 2/3 full. Cream the cheese with sugar. Beat the egg in. Stir in chips. Drop 1 teaspoon of the cheese mixture into each cupcake. Bake as package directs. Makes about 30. Freezes ok. No need to frost.