Wash the board with warm water and mild soap
Rinse quickly and do not soak
Dry the board completely with a clean towel
Let the board air-dry fully if needed
Use food-grade mineral oil or board oil
Apply a generous amount of oil to the surface
Spread the oil evenly with a clean cloth or paper towel
Oil both sides and the edges
Let the oil soak in for several hours or overnight
Wipe off any excess oil
Repeat until the wood stops absorbing oil
Re-oil regularly as the board looks dry or faded
Avoid cooking oils like olive oil or vegetable oil
Store the board in a dry place after oiling