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