Originally Posted by
chgoeditor
Another tip for keeping whole fish from sticking to the grates -- cut thick onion rings and toss them in oil, then put them on the grate and the fish on the onions. It elevates them a bit and the fish won't stick to the onions.
Good tip. How do you then flip the fish....do you put more onions on the grate to turn the other side on? Only drawback I assume is that you won't get any crispy grill marks.