Originally Posted by SchatzSea
Grill brush, scrape the groves with the Grill Grate "finger" spatula, and then let them burn off. Easy. They're definitely worth having, I've got enough of them to use on my Summit gasser and the kettle. Grilled up some killer strip steaks on them last night !
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What i do is cover the grate with tin foil and get a real hot fire going the tin foil will keep the heat on the grate let it cook for 20 or thirty minuite . Take the foil off with tongs there will be nothing but dust . by the way the fire has to be HOT .