I use a good quality mineral oil. Part of the reason it broke so easily was because she never oils her board and it was starting to dry out and separate. I just repaired some other places where it was starting to come apart with some Titebond II and a couple more Bessy's.
(Brewmaster and Pitmaster)
BBQ Team: Lawn Guyland Smokers
Brewery: Black Dog Brewery
"Sam I Am": XL Big Green Egg
"R2 and D2": Twin 22" Weber Smokey Mountains
Custom Made Automated Souped Up Sabco