While they are still hot I give them a good scraping with a grill brush and the next time I cook is do it again. With my competition cooker I soak the grates in a big tub with oven cleaner a couple of times a year.
"Ron Rico, Boss. You can call me Captain Ron..."
The Naked Fatty!
Cooker to be named later/FEC-100/BWS Party/Memphis Pro SS/PBC/LBGE X 2/SBGE/Mini BGE/Nomad Pellet-matic/Good-One Model 42/WSM X 2/Cookshack Smokette 008/Weber Performer/Saber Cast 500/Weber Gasser (RIP)/Weber Kettle X 2/Weber Smokey Joe/WGA/UDS/Coffee Roasting Gasser