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.

Flavour Blast - The bomb completes all of a customer's orders at once.