Prep Time 20 minutes mins
Cook Time 12 minutes mins
Inactive time 4 hours hrs
Total Time 4 hours hrs 32 minutes mins
Keyword argentinian flank steak, balsamic marinated flank steak, balsamic marinated flank steak recipe, best sauce for flank steak, grilled marinated flank steak with chimichurri sauce, side dishes for chimichurri steak