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