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