Cedar Plank Barbeque Salmon

8 Salmon 6 oz fillets, skinless
8 individual cedar planks, soaked in water for 3 hours
1 Tablespoon barbeque seasoning
Sea salt
1 large lemon

Crust Mixture
Mix together the following:
1 cup fresh dill, chopped
1/2 cup shallots, chopped
2 cloves garlic, chopped
2 green onions, chopped
3 tb sp black pepper, cracked
2 Tablespoon olive oil
Juice of one lemon

Preheat grill to high. Sprinkle barbeque seasoning on salmon. Combine all ingredients for the crust mixture and spread generously over the flesh side (not skin side) of each fillet. Season  soaked planks with sea salt and place on grill, close lid and heat for 3 to 5 minutes until they start to crackle  and smoke. Carefully lift lid and place salmon fillets on hot planks, skin side down. Close lid and plank-bake  salmon for 12 to 15 minutes for medium doneness.  Check periodically to make sure that planks are not on fire.  Use spray bottle to extinguish any flames. Squeeze lemon over fillets. Carefully remove planks from grill and  transfer salmon to serving platter.