Things Fast Food Employees Will Never Tell You Burgers eaten at fast food restaurants are prepared beforehand in large factories and then frozen. Fast food chains often add an artificial aroma of smoke to make it seem as though the meat has been grilled. 7. Grilled meat is an illusion. « Previous Page Next Page » Pages: 1 2 3 4 5 6 7 8 9 10 11 12 2017-04-20 news