How to season a BBQ 1. Clean the Griddle Before the first use, wash the griddle surface with warm, soapy water to remove factory oils, rinse it down water clean water and then get it nice and dry. 2. Heat It Up Turn the griddle on high heat and let it run for 10-15 minutes 3. Apply some oil A thin, even layer of high smoke-point oil. Im using the Blackstone season but you can use flaxseed or vegetable oil. Get it across the whole surface and use a paper towel to spread it. What we don’t want are