An Item Gallery can be created alongside Menus directly in the Menus screen.  To create a new Gallery:

  1. Click + New Item Gallery
  2. Provide an Item Gallery Name
  3. (optional) Provide a description for the item gallery (this description will be visible for guests)
  4. Click + Add Items
  5. Using the Add Items screen, search for and select items and/or item groups to add to the gallery
  6. Click Done
  7. (optional) Set the Status to either enabled or disabled (new galleries are enabled and visible by default)
  8. Click Create Gallery

Newly created item galleries will be created at the bottom of the menus list.  To change the order of menus and galleries, see Menus: Reordering Menus & Galleries.