Filet-O-Fish sandwiches were originally a solution to a problem. In the early 1960s, a McDonald's franchise owner name Lou Groen was noticed his sales drop each Lent season as a result of his largely ...

Add Yahoo as a preferred source to see more of our stories on Google. Adding your filet-o-fish to a chicken patty and a Big Mac might sound outrageous, but it's actually a McDonald's-approved hack.

We've been to a lot of drive-thrus and tried many of the best McDonald's Filet-O-Fish hacks for fresh spins on this classic seafood sandwich, but one rises above the rest -- literally. For not much ...

McDonald's is one of the world's largest fast food chains with some great ordering hacks everyone should know. If your favorite sandwich is the chain's iconic Filet-O-Fish, then there's one great hack ...