What's the plural form of Mongolian barbecue? Here's the word you're looking for.
Answer
The noun Mongolian barbecue can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be Mongolian barbecue.
However, in more specific contexts, the plural form can also be Mongolian barbecues e.g. in reference to various types of Mongolian barbecues
or a collection of Mongolian barbecues.