Because almost all us cattle are finished on grain and have been for decades marbling became the quickest and easiest way to grade the beef.
Beef tenderloin with marbling.
The american heart association recommends limiting lean meat poultry and seafood consumption to six ounces per day.
Whether you choose top loin tenderloin or porterhouse steaks look for well marbled meat with vibrant color and a moist but not wet surface.
Marbling is what gives beef its flavor juiciness and tenderness.
It comes from a back muscle that doesn t get much exercise.
Usda s agricultural marketing service ams employs 200 highly skilled beef graders who sometimes with the help of electronic monitoring evaluate several factors that determine the grade including the amount and distribution of marbling.
The sirloin is one of the most famous cuts of beef but it s actually generally divided up into three smaller cuts.
How to choose steak from the loin.
Hence the practice of wrapping tenderloin steaks with strips of bacon without it the steak would lack flavor and moisture.
These different parts vary wildly in general quality tenderness and flavor.
Tenderness and marbling don t necessarily go hand in hand so while the beef tenderloin is possibly the most tender cut of beef it doesn t usually have much marbling.
For more even cooking let these beef steak cuts stand at room temperature about 30 minutes before searing.
The usda defines an extra lean cut of beef as a 3 5 ounce serving about.
The beef grading system developed by the united states department of agriculture is a voluntary grading system based on the meat s maturity and level of fat marbling these two factors are indicators of the beef s tenderness.
Marbling is the intramuscular fat that adds juiciness and some elements of tenderness to beef.
The tenderloin does not have a lot of marbling but it is flavorful and is considered to be a prize cut of meat.
By and large the bottom sirloin is the inferior cut of the three.
Be sure to choose at least a prime grade filet.
Beef tenderloin costs more than other cuts because its marbled fat makes it extra tender.
Filet mignon also comes from the muscle we know as tenderloin.
Beef that is given a higher grade is usually from younger cattle and has more fat marbling.
When butchers cut the tenderloin into two inch steaks it becomes filet mignon.