• Preheat oven to 350 degrees and spray the three cake pans with pam baking spray.
• Using a standing mixer, cream the butter, brown sugar, sugar, eggs, and vanilla until fluffy and combined.
• Using a large bowl, whisk the flour, cornstarch, and baking soda.
• Gradually beat in the dry ingredients until combined.
• Fold in the chocolate chips and the sprinkles.
• Divide the cookie batter between the three pans and bake in the oven for 20-30 minutes or until a light golden brown.
• Allow to cool for 30 minutes before removing from pans and placing onto a wire rack.

Vanilla Frosting

• Using a standing mixer, beat the butter, powdered sugar, vanilla, and heavy whipping cream until creamy, fluffy, and holds a peak.
• Scoop the frosting into the piping bag.
• Place one cookie cake layer onto the cake board.
• Using the piping bag, pipe dollops of frosting all over the top of the cookie cake.
• Place a second cookie cake layer on top of the frosting and gently press down.
• Pipe another layer of frosting on top of the second cookie cake layer.
• Place the last layer on top of the second layer of frosting.
• Pipe dollops of frosting around the edge of the cookie cake and sprinkle some confetti sprinkles on top.
• Enjoy!