Odie's Oil is not only food-safe, it is solvent free, all natural, and non-toxic. And as an added bonus - it smells amazing too!
This sealer is called 'universal' for a reason. It can be used on leather, concrete, and steel. You could even seal plastic boards if you aren't using wooden boards! Also, it can be used on all species of wood, (all domestic and exotic woods included) and it will create an incredible finish every time.