In the good old days, McDonald’s fries were cooked in beef tallow. The special beef tallow (93%) and oil blend (7%) for McDonald’s fries became known as Formula 47. – Tiny Fox Lab Facts
In 1990, beef tallow was eliminated from the famous french fry formula and replaced with 100% vegetable oil.
The results were french fries with zero cholesterol and 45% less fat per serving than before, but also a plummet in stock prices and countless consumers saddened by a drop in flavor.
Preview photo credit: Joe Raedle / Getty Images News / Getty Images, Cheapism