Build navigation that meets your needs, not one size fits all.
You have complete control over your app's menus.
You can set up the navigation menus and submenus (if needed), whatever makes the most sense for your restaurant offerings.
The starting navigation menu for each page can be selected to match your needs. For example, if part of your app has content about your restaurant's menu, those pages will be displayed when the navigation icon is clicked, and can show selections about sections of your menu, instead of the root navigation menu of your app.