Mix-Ins: Cake Batter (Extract), Hershey's Cookies 'N' Creme, Birthday Mini Muffins, Rainbow Sprinkles
 
Middle:
Layer 1: White Rainbow Sprinkle Frosting
Layer 2: Birthday Oreos
 
Topped: White Chocolate Chips, Birthday Oreos, White Frosting (drizzle), Rainbow Sprinkles