Make Your Grill Non Stick Using an Onion! Simply heat up your grill and then rub the cut side of an onion over the grate! Not sure if this makes your food taste like onion. I myself LOVE onions, so that wouldn't be an issue for me.
Instead of pouring out your leftover coffee, save it to clean your barbecue grill. Old brewed coffee makes an effective cleaner when you pour it on your grill and wipe it off. Use it on your cold or hot grill.