McDonald's Filet-O-Fish sandwich sitting atop a branded box - Robson90/Shutterstock McDonald's now-iconic Filet-o-Fish was invented by a franchisee as a means of attracting Catholics during Lent when ...

Does anyone remember that bizarre McDonald’s commercial with the Big Mouth Bass singing, “Gimme that Filet-O-Fish”? It was very silly and didn’t make much sense, but we were there for it. Fast forward ...