McDonald's is trying to fight its "pink slime" reputation, one menu item at a time. The fast food restaurant's latest commercial addresses the rumor that their fries are not made from real potatoes.

Add Yahoo as a preferred source to see more of our stories on Google. McDonald's fries in container - Junce/Getty Images McDonald's famous fries were first introduced in 1949, replacing standard ...

Add Yahoo as a preferred source to see more of our stories on Google. person eating from a carton of McDonald's fries - New Africa/Shutterstock McDonald's iconic french fries were one of nine items ...

McDonald's famous fries were first introduced in 1949, replacing standard potato chips on the menu. Customers instantly fell in love with the addition, and it's still McDonald's best-selling item ...