1. Whisk the egg yolks, corn syrup, and sugar, then add the milk, cream, and vanilla and cook over medium heat, stirring constantly, until the base reaches 165-175F.
2. Strain into a CREAMi pint, chill in an ice bath, whisk in the cake mix, and freeze 24 hours.
3. Process on the Ice Cream program, then add the sprinkles to a center hole and run the Mix-In program.