It’s easy to get frustrated with grilling seafood. The heat is hard to control, and the shrimp, fish or scallops come out rubbery. Or, you’ve over-amped on the smoke. Chefs around Seattle discovered a solution from the Northwest American Indians: Grill it on wooden planks. Your average non-Indian will respond, “Yeah, right, and the wood catches fire and you have ash.” Well, not exactly.