Reassemble the grill, then turn it on to its highest temperature setting and close the hood. There may even be a cleaning level on your burner dials. After a few minutes, open the lid and scrape the grates vigorously with a non-bristle metal grill brush. One I particularly like is the $15 Grill Bristleless Scraper from Taylor. This brush has multiple surfaces and edges to attack and remove grime from grill grates. It even has a handy bottle opener. 
Who's right? It's not that the notion of burning pepper is complete nonsense—in theory, yes, black pepper could burn. The problem with peppering midway through cooking is that the pepper granules might not stick to the meat. You could pass a pepper grinder at the table, but if you're cooking outside and eating in an informal style, this may not be feasible.
Who's right? It's not that the notion of burning pepper is complete nonsense—in theory, yes, black pepper could burn. The problem with peppering midway through cooking is that the pepper granules might not stick to the meat. You could pass a pepper grinder at the table, but if you're cooking outside and eating in an informal style, this may not be feasible.
Clean the exterior of the grill. Soapy water is the safest cleaning solution for most gas grills.[3] Just make a cleaning solution with water and a squirt or two of mild dishwashing soap. Wipe the exterior of the grill with the soapy water, use a rag dipped in clean water to remove the soap residue, and then dry the exterior of the grill thoroughly.
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