You can use the following boosters before a level or in the pause menu:
1. Double Profit:
Activate this booster to double your coins for one level!

Note: only coins earned after activating this booster can be doubled.
2. Super Cooker:
No more overcooked food for one level!
3. Instant Cooker:
Who wants to wait? Insta-cook your food for one level!
4. Helping Hand:
Grab a helping hand to serve up your dishes for one level!