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