Expired Domains and Choosing the Niche

So lets assume I found a kickass domain. Spam free, high quality backlinks profile – the real deal.
I compete for niche X (be it real estate, jewellery, or baby products) but my expired domain was in the food niche or something along those lines.

Usually I just take the domain and make it relevant to my own niche, but I start to wonder whether it's the best way to do it. Maybe it's just best to "restore" the domain to an almost identical copy of what used to be there, even if it's…

Expired Domains and Choosing the Niche