Preheat your oven to 350 degrees
Coat each cavity of mini cupcake pan with cooking spray.
Break apart your cookie dough, and place one piece of cookie dough into each mini cupcake cavity.
Bake for 9-12 minutes, until the edges are golden.
Remove from the oven. A shallow well should form in the center of each cookie cup once out of the oven. If not, use the end of the wooden spoon to make a small well for your frosting.
Let cookie cups cool for 10-15 minutes, leaving them in the mini cupcake pan.
Run a butter knife along the edge of each cookie cup to help release them from the pan.
Spoon frosting into a small bowl.
Add food coloring. Stir well.
(optional) Insert frosting tip into pastry bag or Ziploc bag. You cup the corner off if using a Ziploc bag.
Spoon frosting into pastry bag or Ziploc bag. Knead frosting down to the frosting tip.
Pipe frosting into each cookie cup.
Top each frosted cookie cup with 2 Cadbury Mini Eggs.