Sugar Cookie Cups

I love mixing delicious treats with cookie dough.  My recent cookie find has been to make mini cookie cups filled with tasty surprises.  Whenever I make cookie dough, usually half of it goes straight to the freezer so that we have homemade cookies whenever we want.
This time around I added chocolate and vanilla chips…next time I am dreaming up jam…marshmallows perhaps???…sprinkles…peanut butter…really the ideas are endless.
What would you put in your cookie cups?