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I take the griill off as you must to start the fire, I get the fire going, put the grill back and close the lid to let the hot. Before I put on what I'm going to cook I hit the grill with a wire brush. Whatever was on there from my previous cook is gone and being that the grill is hot it is sanitary for your next cook.
Charlie tuna said:
I have a system that i have followed for two years and it is working for me. My cast iron grate just gets re-heated and wire brushed before using. All my metel grills are sprayed with a heavy duty degreaser the following day, hosed with high pressure water, then cleaned by scrubbing with a Brillo pad. The degreaser melts any food product off, and the Brillo pad brings them back to the same shinny original surface. I have a total of six different set ups, but i stay ahead and have all my grills available BEFORE i start any cook.