Thinner cuts of steak like flank or flat iron steak work great for this recipe because they cut into thin slices that are easy to mix with the salad. u003cbr/u003eu003cbr/u003eBut feel free to use your favorite cut of steak! This recipe is tasty with any cut of steak. What's most important is that it's cooked properly and then sliced thinly for the salad.