All Appetizers for VIP Valhalla must be purchased before they can be used in-game. SO yes, you have passed the requirement for them to be unlocked for purchase!

Do not be confused by the locks that appear in game - this is the one and only venue where there is an Appetizer feature in Cooking Dash that requires the Appetizers to be purchased first.

Try it with one when convenient - buy an Appetizer and you'll see it will appear in the Appetizer area once you start playing!