Gold Bar is the Premium Currency in Fantastic Chefs. You can earn Gold Bars by performing the following activities in the game:
1. Refer a Friend
2. Trying your luck with the Lucky Spinner
3. Collecting Gift Boxes placed on the Level Map
4. Sharing your game progress (New World Unlocks and Beating yourFriends) on Social Media
5. Completing Achievements in the game
 
Note: You can also purchase Gold Bars by tapping the "+" button on the Gold Bar icon at the top left panel of the Level Map screen.