how long cedar plank salmon?
<answer> 12 - 15 Minutes <context> 4. Lay the Salmon on Top: Season the salmon and lay it skin-side down in a single layer on top of the cedar planks. Cover the grill. 5. Cook for 12 - 15 Minutes: Start checking the salmon for doneness after about 12 minutes. Small fillets will cook more quickly than larger cuts.