Halibut Grilled in Banana Leaves with Lemongrass and Thai Basil

It’s a problem that bedevils grillers all over Planet Barbecue: How do you keep delicate fish fillets from sticking to the grate? Thai grill masters use a technique that has the added advantage of sealing in such vibrant Asian flavors as lemongrass and Thai basil. And the result looks cool as all get-out. (Never underestimate the power of looking cool as all get-out.) The banana leaf wrapping technique turns up throughout Asia (see the otakotak here, for example, or the Singap