Grass-fed beef is of the moment right now. There is even a better burger concept promoting their grass-fed beef. Is it really better than the traditional corn-fed beef? What is the difference in flavor once the beef is cooked? Are there possible health benefits backed-up by science?
All beef cattle start on a diet of grass. At a certain point in their maturity some are finished on corn while other continue on grass. There is a difference in flavor and marbling.