Soak cedar planks in warm water for 15 minutes before cooking. The moisture helps the plank release flavor (and can prevent it from drying too much on the grill). u003ca href=u0022https://www.wildwoodgrilling.com/do-you-have-to-soak-cedar-planks/u0022 target=u0022_blanku0022 rel=u0022noreferrer noopeneru0022u003eSoaking any longeru003c/au003e doesn't add much benefit.