For level 100+6 chefs, allows you to go up a tier on synths level 56-58, 76-78, 96-98. Aka Arrabbiata, Ginger Cookies, Carbonara, and Pot-au-feu.
This item must be intended for those who suffer from OCD, as it will only pay for itself after roughly four solid months of breaking tiers that were not meant to be broke.