These boosters can be enabled only before a level starts.
Kitchen Knight - Food is cooked instantly.
Nonstick Shield - Food is cooked automatically and will not burn.
King's Feast - The cost of dishes is increased by 25%.
And the following boosters can be used in the middle of the level.
Royal Clean - Removes all burned and leftover dishes from the table.
Tasty Time - The rose completely fills up the mood bar of the most impatient customer.
Flavor Blast - The bomb completes all of a customer's orders at once.