1. Preheat the oven to 350 degrees f. Line a cookie sheet with parchment paper.
2. In stand mixer or a large bowl with a hand mixer, cream together butter and sugar.
3. Add egg and vanilla, mix well on low speed.
4. Add dry ingredients, combine until a soft dough forms.
5. Fold in chocolate chips with a rubber spatula.
6. Drop 8 to 10 large scoops of dough onto the baking tray. Leave at least 2" between the cookie dough balls.
7. Bake at 350 for 12 minutes or until the edges start to brown. Place on a cooling rack to allow the cookies to cool quickly.
8. In a small bowl, add blue food coloring to the frosting and mix well.
9. Scoop the frosting into a piping bag with 1A tip and cover each cookie with the icing.
10. Roughly chop up the mini oreos and mini chocolate chip cookies.
11. Place the chopped up cookie pieces onto the blue frosting.