Oreo Cupcakes

1 package chocolate cake mix
Muffin liners
1 package mini Oreos
8 oz cream cheese room temperature
1/2 Stick butter, room temperature
3-4 C. powdered sugar
1 tsp. vanilla

Bake cupcakes according to package directions.  Reserve 30 mini Oreos for decoration, and then chop up remaining in food processor. After making frosting, add chopped Oreos to the mixture, and blend by hand. Pipe frosting onto cooled cupcake. Top with mini Oreo.