When I give someone a cutting board, I give them a little squeeze bottle of a mineral oil/paraffin wax mix. I melt just a little paraffin wax in some mineral oil. The mineral oil soaks in and the wax gives the board a nice little easy to clean up finish on it.
Food safe, and I tell them to just apply some finish when ever the board starts to look like they need it.
I wouldn't want to put any kind of a curing finish on a cutting board, as the knife action would 'cut it up' and damage it quite quickly.
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