Hi Chef,
Premium is a subscription feature that gives you exclusive benefits that will enhance your culinary journey. You can choose from various Premium Packs available.
You can also activate the Free Trial to enjoy all the exclusive benefits free for a limited time. Each Premium Pack has its own limited-time Free Trial period.
Note: Premium feature unlocks at level 8. Also, Premium cannot be purchased in the Desktop versions of the game. However, any Premium purchases done in the mobile version and benefits will be applicable in the Desktop version on Syncing game through Facebook login.