Food pairing questions, but only very specific ones. Do not use for "what goes with X?" (off-topic).
Unfortunately, "what goes with X?" is generally off-topic, since it leads to broad, opinion-based questions, and overlaps a lot with recipe requests.
For resources about discovering flavor pairings you might enjoy, see How can I find flavors that pair well with a given ingredient?
The only exceptions are very specific questions, giving a lot of detail about what the exact goals are. Notably, "improve flavor" or "taste good" are definitely not specific enough.
For more details, see: