When used as a marinade, soy sauce tenderizes and flavors meat. The salt in any soy sauce will tenderize flank steak, so choose the sauce you think tastes best. Dark soy sauce (also known as ...
Add the flank steak ... Remove the steak from the marinade, pat with a paper towel, and let it hang for a couple of hours to dry. To prepare the sauce, transfer the marinade to a small saucepan ...
Spoon sauce over steak and let rest together 5 minutes. To serve, slice steak about ½ inch thick, spoon juices over steak and arrange beets alongside. Serve extra sauce on the side.