The most common and most likely answer to this crossword clue is the 7 letter word POPCORN
I've seen this crossword clue in The Times
P
O
P
C
O
R
N
More clues leading to the result POPCORN
- Rogue cop wearing blue material flicks food
- Cinema diet is fizzy drink and banal stuff
- Old copper wearing blue material that puffs up in the heat
- Go off service provided by firm making cinema fare
- Fare that’s substance of dad jokes?
- Drink and cheese snack
- Fizzy drink and cheese snack
- Popular trick involving Russia’s foremost snack
- Snack, Spooner’s filth of the filth?
- Music, hackneyed stuff that’s supposed to enhance a film
Buddy explains!

The straight part
We know that "cinema fare" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case cinema fare = popcorn.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does POPCORN mean?
POPCORN noun- A snack food made from corn/maize kernels popped by dry heating.
- A type of maize with a hard outer hull that, along with the type of starch it contains, makes it suitable for popping.
- A kind of stitch similar to a bobble.
- (by extension) Entertainment.
- (Of a guinea pig) to stand up or jump up quickly.