Preheat your oven to 350º F.

In a bowl, mix the dry ingredients: Combine flour, cornstarch, baking soda, and salt.

In another bowl, cream together the butter, brown sugar, and granulated sugar until smooth and fluffy.

Beat in the eggs one at a time, a fully incorporating each before adding the next. Stir in the vanilla extract and blue gel food coloring.

Gradually blend the dry ingredients into the wet mixture until just combined.

Fold in the white chocolate chips, chopped Chips Ahoy cookies, and chopped Oreos.

Drop spoonfuls of dough onto a baking sheet, leaving space between each scoop.

Bake for 10-15 minutes, or until the edges are golden.

Let cool for 15 minutes on the baking sheet before transferring to a wire rack.