Are you looking for healthy protein sources that will help you effectively build muscle? Steak is known for it's protein, but ...

The flank steak always turns out to be incredible ... (Cooking time will vary due to thickness of your steak.) Use a meat thermometer to check the internal temperature—130°F for medium-rare.

Flank steak is lean and not very thick, so it only requires a quick trip over high heat to sear the outside and lightly cook the center. Cut the meat thinly across the grain to keep it tender.

Flank steak is well known as a cut that can turn tough quickly – and needs to be cut a specific way when serving (against the ...