Today I nipped up to my local Tack suppliers to get some more Linseed oil. I finish all my woodenware pieces that will come into contact with food, with Cold pressed or Raw Linseed Oil. This cures much more slowly (at least 3 months) than boiled linseed oil but contains no harmful additives. With smaller items such as spoons, I first of all heat up the oil in a pan and submerse the piece to drive the oil into the endgrain pores.
Here you can see the moisture and air fizzing as it is forced out of the endgrain pores. This means oil absorbs more deeply into the wood fibres to replace the dispersed moisture.
After the heat treatment I throw the pieces in my oil bath for a few days to saturate. This is simply a bain marie full of linseed oil in my shed. The removable tray is handy for pinning down the wooden pieces and keeping them fully submerged. As I say the curing process takes a few months to complete, but if you can, it is advantageous to periodically re-oil your pieces to keep them water resistant.