Crossword Genius

Sandwich filler it's a relief to save (5)

Ross

I believe the answer is:

bacon

I'm a little stuck... Click here to teach me more about this clue!

'sandwich' is the definition.
The answer and definition can be both things that one consumes for nourishment as well as being singular nouns.
Perhaps there's an association between them I don't understand?

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for bacon that I've seen before include "Cut of pork" , "English breakfast staple" , "Author" , "Cured meat from pig" , "Food that can be streaky" .)

Want a hint initially instead of a full solution? Install my app