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