How often do you clean the grills? March 21, 2022 07:27 Updated The grills are cleaned after every use. In addition, every 24 hours, the grill will be shut down and thoroughly cleaned. Related articles What type of oil do you use for frying? I received expired hotcake syrup; can you explain why? How does McDonald’s® ensure food safety? How often do you change the oil in your fryer? Our oil is checked and filtered dai How does McDonald’s® prevent food wastage?