I just throw them away and buy new ones once they get dirty. Don't worry, i'm the lead on the grill team at McDonalds so I can afford it...
Buuuuutttt.... when times are tight I just soak them in vinegar for 1 hour and clean under faucet with a toothbrush (not the same one I use on MY teeth, I use my wife's to save money).
Buuuuutttt.... when times are tight I just soak them in vinegar for 1 hour and clean under faucet with a toothbrush (not the same one I use on MY teeth, I use my wife's to save money).