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